Home / 157,153.32-216,876.18-85,537.98

Finding the Fourth Proportional to 157,153.32, 216,876.18 and 85,537.98

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Solution

The fourth proportional to 157,153.32, 216,876.18 and 85,537.98 is: 118,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,153.32 : 216,876.18 = 85,537.98 : x
  2. Step 2: Convert to fraction form
    157,153.32/216,876.18 = 85,537.98/x
  3. Step 3: Cross multiply
    157,153.32x = 216,876.18 × 85,537.98
  4. Step 4: Simplify right side
    157,153.32x = 18,551,150,347.32
  5. Step 5: Solve for x
    x = 18,551,150,347.32/157,153.32
  6. Step 6: Final answer
    x = 118,044.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.