Home / 156,966.20-235,375.10-57,056.76

Finding the Fourth Proportional to 156,966.20, 235,375.10 and 57,056.76

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Solution

The fourth proportional to 156,966.20, 235,375.10 and 57,056.76 is: 85,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.20 : 235,375.10 = 57,056.76 : x
  2. Step 2: Convert to fraction form
    156,966.20/235,375.10 = 57,056.76/x
  3. Step 3: Cross multiply
    156,966.20x = 235,375.10 × 57,056.76
  4. Step 4: Simplify right side
    156,966.20x = 13,429,740,590.68
  5. Step 5: Solve for x
    x = 13,429,740,590.68/156,966.20
  6. Step 6: Final answer
    x = 85,558.17

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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.