Home / 156,929.40-235,394.10-38,599.20

Finding the Fourth Proportional to 156,929.40, 235,394.10 and 38,599.20

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Solution

The fourth proportional to 156,929.40, 235,394.10 and 38,599.20 is: 57,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,929.40 : 235,394.10 = 38,599.20 : x
  2. Step 2: Convert to fraction form
    156,929.40/235,394.10 = 38,599.20/x
  3. Step 3: Cross multiply
    156,929.40x = 235,394.10 × 38,599.20
  4. Step 4: Simplify right side
    156,929.40x = 9,086,023,944.72
  5. Step 5: Solve for x
    x = 9,086,023,944.72/156,929.40
  6. Step 6: Final answer
    x = 57,898.80

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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.