Home / 316,781.20-437,156.76-173,550.16

Finding the Fourth Proportional to 316,781.20, 437,156.76 and 173,550.16

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Solution

The fourth proportional to 316,781.20, 437,156.76 and 173,550.16 is: 239,498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,781.20 : 437,156.76 = 173,550.16 : x
  2. Step 2: Convert to fraction form
    316,781.20/437,156.76 = 173,550.16/x
  3. Step 3: Cross multiply
    316,781.20x = 437,156.76 × 173,550.16
  4. Step 4: Simplify right side
    316,781.20x = 75,868,625,643.08
  5. Step 5: Solve for x
    x = 75,868,625,643.08/316,781.20
  6. Step 6: Final answer
    x = 239,498.51

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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.