Home / 316,559.03-474,863.13-91,923.17

Finding the Fourth Proportional to 316,559.03, 474,863.13 and 91,923.17

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Solution

The fourth proportional to 316,559.03, 474,863.13 and 91,923.17 is: 137,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,559.03 : 474,863.13 = 91,923.17 : x
  2. Step 2: Convert to fraction form
    316,559.03/474,863.13 = 91,923.17/x
  3. Step 3: Cross multiply
    316,559.03x = 474,863.13 × 91,923.17
  4. Step 4: Simplify right side
    316,559.03x = 43,650,921,851.41
  5. Step 5: Solve for x
    x = 43,650,921,851.41/316,559.03
  6. Step 6: Final answer
    x = 137,891.89

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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.