Home / 156,981.10-235,471.65-63,486.85

Finding the Fourth Proportional to 156,981.10, 235,471.65 and 63,486.85

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Solution

The fourth proportional to 156,981.10, 235,471.65 and 63,486.85 is: 95,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,981.10 : 235,471.65 = 63,486.85 : x
  2. Step 2: Convert to fraction form
    156,981.10/235,471.65 = 63,486.85/x
  3. Step 3: Cross multiply
    156,981.10x = 235,471.65 × 63,486.85
  4. Step 4: Simplify right side
    156,981.10x = 14,949,353,322.80
  5. Step 5: Solve for x
    x = 14,949,353,322.80/156,981.10
  6. Step 6: Final answer
    x = 95,230.28

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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.