Home / 129,631.55-194,453.48-62,992.30

Finding the Fourth Proportional to 129,631.55, 194,453.48 and 62,992.30

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Solution

The fourth proportional to 129,631.55, 194,453.48 and 62,992.30 is: 94,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,631.55 : 194,453.48 = 62,992.30 : x
  2. Step 2: Convert to fraction form
    129,631.55/194,453.48 = 62,992.30/x
  3. Step 3: Cross multiply
    129,631.55x = 194,453.48 × 62,992.30
  4. Step 4: Simplify right side
    129,631.55x = 12,249,071,948.20
  5. Step 5: Solve for x
    x = 12,249,071,948.20/129,631.55
  6. Step 6: Final answer
    x = 94,491.44

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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.