Home / 346,472.13-519,708.17-130,371.47

Finding the Fourth Proportional to 346,472.13, 519,708.17 and 130,371.47

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Solution

The fourth proportional to 346,472.13, 519,708.17 and 130,371.47 is: 195,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,472.13 : 519,708.17 = 130,371.47 : x
  2. Step 2: Convert to fraction form
    346,472.13/519,708.17 = 130,371.47/x
  3. Step 3: Cross multiply
    346,472.13x = 519,708.17 × 130,371.47
  4. Step 4: Simplify right side
    346,472.13x = 67,755,114,843.51
  5. Step 5: Solve for x
    x = 67,755,114,843.51/346,472.13
  6. Step 6: Final answer
    x = 195,557.19

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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.