Home / 156,679.90-235,019.85-38,349.70

Finding the Fourth Proportional to 156,679.90, 235,019.85 and 38,349.70

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Solution

The fourth proportional to 156,679.90, 235,019.85 and 38,349.70 is: 57,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,679.90 : 235,019.85 = 38,349.70 : x
  2. Step 2: Convert to fraction form
    156,679.90/235,019.85 = 38,349.70/x
  3. Step 3: Cross multiply
    156,679.90x = 235,019.85 × 38,349.70
  4. Step 4: Simplify right side
    156,679.90x = 9,012,940,741.55
  5. Step 5: Solve for x
    x = 9,012,940,741.55/156,679.90
  6. Step 6: Final answer
    x = 57,524.55

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1.5x scale

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.