Home / 156,981.70-235,429.35-63,496.90

Finding the Fourth Proportional to 156,981.70, 235,429.35 and 63,496.90

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Solution

The fourth proportional to 156,981.70, 235,429.35 and 63,496.90 is: 95,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,981.70 : 235,429.35 = 63,496.90 : x
  2. Step 2: Convert to fraction form
    156,981.70/235,429.35 = 63,496.90/x
  3. Step 3: Cross multiply
    156,981.70x = 235,429.35 × 63,496.90
  4. Step 4: Simplify right side
    156,981.70x = 14,949,033,894.02
  5. Step 5: Solve for x
    x = 14,949,033,894.02/156,981.70
  6. Step 6: Final answer
    x = 95,227.88

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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.