Home / 316,346.28-474,505.57-91,701.82

Finding the Fourth Proportional to 316,346.28, 474,505.57 and 91,701.82

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Solution

The fourth proportional to 316,346.28, 474,505.57 and 91,701.82 is: 137,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,346.28 : 474,505.57 = 91,701.82 : x
  2. Step 2: Convert to fraction form
    316,346.28/474,505.57 = 91,701.82/x
  3. Step 3: Cross multiply
    316,346.28x = 474,505.57 × 91,701.82
  4. Step 4: Simplify right side
    316,346.28x = 43,513,024,369.14
  5. Step 5: Solve for x
    x = 43,513,024,369.14/316,346.28
  6. Step 6: Final answer
    x = 137,548.72

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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.