Home / 156,934.40-235,429.80-57,234.46

Finding the Fourth Proportional to 156,934.40, 235,429.80 and 57,234.46

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Solution

The fourth proportional to 156,934.40, 235,429.80 and 57,234.46 is: 85,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,934.40 : 235,429.80 = 57,234.46 : x
  2. Step 2: Convert to fraction form
    156,934.40/235,429.80 = 57,234.46/x
  3. Step 3: Cross multiply
    156,934.40x = 235,429.80 × 57,234.46
  4. Step 4: Simplify right side
    156,934.40x = 13,474,697,470.91
  5. Step 5: Solve for x
    x = 13,474,697,470.91/156,934.40
  6. Step 6: Final answer
    x = 85,861.97

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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.