Home / 282,582.62-423,874.14-72,220.76

Finding the Fourth Proportional to 282,582.62, 423,874.14 and 72,220.76

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Solution

The fourth proportional to 282,582.62, 423,874.14 and 72,220.76 is: 108,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,582.62 : 423,874.14 = 72,220.76 : x
  2. Step 2: Convert to fraction form
    282,582.62/423,874.14 = 72,220.76/x
  3. Step 3: Cross multiply
    282,582.62x = 423,874.14 × 72,220.76
  4. Step 4: Simplify right side
    282,582.62x = 30,612,512,535.15
  5. Step 5: Solve for x
    x = 30,612,512,535.15/282,582.62
  6. Step 6: Final answer
    x = 108,331.19

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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.