Home / 173,880,012.80-260,820,019.20-156,561,305.60

Finding the Fourth Proportional to 173,880,012.80, 260,820,019.20 and 156,561,305.60

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Solution

The fourth proportional to 173,880,012.80, 260,820,019.20 and 156,561,305.60 is: 234,841,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,880,012.80 : 260,820,019.20 = 156,561,305.60 : x
  2. Step 2: Convert to fraction form
    173,880,012.80/260,820,019.20 = 156,561,305.60/x
  3. Step 3: Cross multiply
    173,880,012.80x = 260,820,019.20 × 156,561,305.60
  4. Step 4: Simplify right side
    173,880,012.80x = 40,834,322,732,569,064
  5. Step 5: Solve for x
    x = 40,834,322,732,569,064/173,880,012.80
  6. Step 6: Final answer
    x = 234,841,958.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.