Home / 238,073.13-328,545.94-130,642.22

Finding the Fourth Proportional to 238,073.13, 328,545.94 and 130,642.22

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Solution

The fourth proportional to 238,073.13, 328,545.94 and 130,642.22 is: 180,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,073.13 : 328,545.94 = 130,642.22 : x
  2. Step 2: Convert to fraction form
    238,073.13/328,545.94 = 130,642.22/x
  3. Step 3: Cross multiply
    238,073.13x = 328,545.94 × 130,642.22
  4. Step 4: Simplify right side
    238,073.13x = 42,921,970,973.59
  5. Step 5: Solve for x
    x = 42,921,970,973.59/238,073.13
  6. Step 6: Final answer
    x = 180,289.02

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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.