Home / 194,402.40-291,733.20-89,167.20

Finding the Fourth Proportional to 194,402.40, 291,733.20 and 89,167.20

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Solution

The fourth proportional to 194,402.40, 291,733.20 and 89,167.20 is: 133,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,402.40 : 291,733.20 = 89,167.20 : x
  2. Step 2: Convert to fraction form
    194,402.40/291,733.20 = 89,167.20/x
  3. Step 3: Cross multiply
    194,402.40x = 291,733.20 × 89,167.20
  4. Step 4: Simplify right side
    194,402.40x = 26,013,032,591.04
  5. Step 5: Solve for x
    x = 26,013,032,591.04/194,402.40
  6. Step 6: Final answer
    x = 133,810.24

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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.