Home / 231,608.20-347,153.10-98,465.80

Finding the Fourth Proportional to 231,608.20, 347,153.10 and 98,465.80

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Solution

The fourth proportional to 231,608.20, 347,153.10 and 98,465.80 is: 147,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,608.20 : 347,153.10 = 98,465.80 : x
  2. Step 2: Convert to fraction form
    231,608.20/347,153.10 = 98,465.80/x
  3. Step 3: Cross multiply
    231,608.20x = 347,153.10 × 98,465.80
  4. Step 4: Simplify right side
    231,608.20x = 34,182,707,713.98
  5. Step 5: Solve for x
    x = 34,182,707,713.98/231,608.20
  6. Step 6: Final answer
    x = 147,588.50

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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.