Home / 156,876.40-235,314.60-38,546.20

Finding the Fourth Proportional to 156,876.40, 235,314.60 and 38,546.20

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Solution

The fourth proportional to 156,876.40, 235,314.60 and 38,546.20 is: 57,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,876.40 : 235,314.60 = 38,546.20 : x
  2. Step 2: Convert to fraction form
    156,876.40/235,314.60 = 38,546.20/x
  3. Step 3: Cross multiply
    156,876.40x = 235,314.60 × 38,546.20
  4. Step 4: Simplify right side
    156,876.40x = 9,070,483,634.52
  5. Step 5: Solve for x
    x = 9,070,483,634.52/156,876.40
  6. Step 6: Final answer
    x = 57,819.30

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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.