Home / 316,555.04-474,857.14-91,919.16

Finding the Fourth Proportional to 316,555.04, 474,857.14 and 91,919.16

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Solution

The fourth proportional to 316,555.04, 474,857.14 and 91,919.16 is: 137,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,555.04 : 474,857.14 = 91,919.16 : x
  2. Step 2: Convert to fraction form
    316,555.04/474,857.14 = 91,919.16/x
  3. Step 3: Cross multiply
    316,555.04x = 474,857.14 × 91,919.16
  4. Step 4: Simplify right side
    316,555.04x = 43,648,469,428.80
  5. Step 5: Solve for x
    x = 43,648,469,428.80/316,555.04
  6. Step 6: Final answer
    x = 137,885.88

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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.