Home / 231,480.13-347,252.47-71,569.12

Finding the Fourth Proportional to 231,480.13, 347,252.47 and 71,569.12

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Solution

The fourth proportional to 231,480.13, 347,252.47 and 71,569.12 is: 107,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,480.13 : 347,252.47 = 71,569.12 : x
  2. Step 2: Convert to fraction form
    231,480.13/347,252.47 = 71,569.12/x
  3. Step 3: Cross multiply
    231,480.13x = 347,252.47 × 71,569.12
  4. Step 4: Simplify right side
    231,480.13x = 24,852,553,299.77
  5. Step 5: Solve for x
    x = 24,852,553,299.77/231,480.13
  6. Step 6: Final answer
    x = 107,363.66

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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.