Home / 316,845.62-474,655.99-176,177.78

Finding the Fourth Proportional to 316,845.62, 474,655.99 and 176,177.78

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Solution

The fourth proportional to 316,845.62, 474,655.99 and 176,177.78 is: 263,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,845.62 : 474,655.99 = 176,177.78 : x
  2. Step 2: Convert to fraction form
    316,845.62/474,655.99 = 176,177.78/x
  3. Step 3: Cross multiply
    316,845.62x = 474,655.99 × 176,177.78
  4. Step 4: Simplify right side
    316,845.62x = 83,623,838,581.90
  5. Step 5: Solve for x
    x = 83,623,838,581.90/316,845.62
  6. Step 6: Final answer
    x = 263,926.13

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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.