Home / 156,948.15-235,335.82-51,712.95

Finding the Fourth Proportional to 156,948.15, 235,335.82 and 51,712.95

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Solution

The fourth proportional to 156,948.15, 235,335.82 and 51,712.95 is: 77,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,948.15 : 235,335.82 = 51,712.95 : x
  2. Step 2: Convert to fraction form
    156,948.15/235,335.82 = 51,712.95/x
  3. Step 3: Cross multiply
    156,948.15x = 235,335.82 × 51,712.95
  4. Step 4: Simplify right side
    156,948.15x = 12,169,909,492.87
  5. Step 5: Solve for x
    x = 12,169,909,492.87/156,948.15
  6. Step 6: Final answer
    x = 77,540.96

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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.