Home / 463,101.60-639,205.92-272,176.32

Finding the Fourth Proportional to 463,101.60, 639,205.92 and 272,176.32

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Solution

The fourth proportional to 463,101.60, 639,205.92 and 272,176.32 is: 375,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,101.60 : 639,205.92 = 272,176.32 : x
  2. Step 2: Convert to fraction form
    463,101.60/639,205.92 = 272,176.32/x
  3. Step 3: Cross multiply
    463,101.60x = 639,205.92 × 272,176.32
  4. Step 4: Simplify right side
    463,101.60x = 173,976,715,027.81
  5. Step 5: Solve for x
    x = 173,976,715,027.81/463,101.60
  6. Step 6: Final answer
    x = 375,677.21

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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.