Home / 413,278.92-619,918.38-163,960.92

Finding the Fourth Proportional to 413,278.92, 619,918.38 and 163,960.92

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Solution

The fourth proportional to 413,278.92, 619,918.38 and 163,960.92 is: 245,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,278.92 : 619,918.38 = 163,960.92 : x
  2. Step 2: Convert to fraction form
    413,278.92/619,918.38 = 163,960.92/x
  3. Step 3: Cross multiply
    413,278.92x = 619,918.38 × 163,960.92
  4. Step 4: Simplify right side
    413,278.92x = 101,642,387,909.71
  5. Step 5: Solve for x
    x = 101,642,387,909.71/413,278.92
  6. Step 6: Final answer
    x = 245,941.38

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Similar ratio
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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.