Home / 113,352.38-156,423.04-61,667.85

Finding the Fourth Proportional to 113,352.38, 156,423.04 and 61,667.85

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Solution

The fourth proportional to 113,352.38, 156,423.04 and 61,667.85 is: 85,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,352.38 : 156,423.04 = 61,667.85 : x
  2. Step 2: Convert to fraction form
    113,352.38/156,423.04 = 61,667.85/x
  3. Step 3: Cross multiply
    113,352.38x = 156,423.04 × 61,667.85
  4. Step 4: Simplify right side
    113,352.38x = 9,646,272,567.26
  5. Step 5: Solve for x
    x = 9,646,272,567.26/113,352.38
  6. Step 6: Final answer
    x = 85,099.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.