Home / 156,919.24-235,376.79-38,591.60

Finding the Fourth Proportional to 156,919.24, 235,376.79 and 38,591.60

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Solution

The fourth proportional to 156,919.24, 235,376.79 and 38,591.60 is: 57,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,919.24 : 235,376.79 = 38,591.60 : x
  2. Step 2: Convert to fraction form
    156,919.24/235,376.79 = 38,591.60/x
  3. Step 3: Cross multiply
    156,919.24x = 235,376.79 × 38,591.60
  4. Step 4: Simplify right side
    156,919.24x = 9,083,566,928.96
  5. Step 5: Solve for x
    x = 9,083,566,928.96/156,919.24
  6. Step 6: Final answer
    x = 57,886.89

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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.