Home / 316,076.16-474,044.04-91,387.56

Finding the Fourth Proportional to 316,076.16, 474,044.04 and 91,387.56

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Solution

The fourth proportional to 316,076.16, 474,044.04 and 91,387.56 is: 137,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,076.16 : 474,044.04 = 91,387.56 : x
  2. Step 2: Convert to fraction form
    316,076.16/474,044.04 = 91,387.56/x
  3. Step 3: Cross multiply
    316,076.16x = 474,044.04 × 91,387.56
  4. Step 4: Simplify right side
    316,076.16x = 43,321,728,148.14
  5. Step 5: Solve for x
    x = 43,321,728,148.14/316,076.16
  6. Step 6: Final answer
    x = 137,061.04

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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.