Home / 156,609.39-234,912.06-38,281.77

Finding the Fourth Proportional to 156,609.39, 234,912.06 and 38,281.77

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Solution

The fourth proportional to 156,609.39, 234,912.06 and 38,281.77 is: 57,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,609.39 : 234,912.06 = 38,281.77 : x
  2. Step 2: Convert to fraction form
    156,609.39/234,912.06 = 38,281.77/x
  3. Step 3: Cross multiply
    156,609.39x = 234,912.06 × 38,281.77
  4. Step 4: Simplify right side
    156,609.39x = 8,992,849,451.15
  5. Step 5: Solve for x
    x = 8,992,849,451.15/156,609.39
  6. Step 6: Final answer
    x = 57,422.16

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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.