Home / 128,766.30-193,368.15-95,523.90

Finding the Fourth Proportional to 128,766.30, 193,368.15 and 95,523.90

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Solution

The fourth proportional to 128,766.30, 193,368.15 and 95,523.90 is: 143,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,766.30 : 193,368.15 = 95,523.90 : x
  2. Step 2: Convert to fraction form
    128,766.30/193,368.15 = 95,523.90/x
  3. Step 3: Cross multiply
    128,766.30x = 193,368.15 × 95,523.90
  4. Step 4: Simplify right side
    128,766.30x = 18,471,279,823.79
  5. Step 5: Solve for x
    x = 18,471,279,823.79/128,766.30
  6. Step 6: Final answer
    x = 143,448.09

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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.