Home / 136,909.83-205,438.26-57,002.96

Finding the Fourth Proportional to 136,909.83, 205,438.26 and 57,002.96

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Solution

The fourth proportional to 136,909.83, 205,438.26 and 57,002.96 is: 85,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,909.83 : 205,438.26 = 57,002.96 : x
  2. Step 2: Convert to fraction form
    136,909.83/205,438.26 = 57,002.96/x
  3. Step 3: Cross multiply
    136,909.83x = 205,438.26 × 57,002.96
  4. Step 4: Simplify right side
    136,909.83x = 11,710,588,917.25
  5. Step 5: Solve for x
    x = 11,710,588,917.25/136,909.83
  6. Step 6: Final answer
    x = 85,535.05

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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.