Home / 95,951.70-143,927.55-86,766.30

Finding the Fourth Proportional to 95,951.70, 143,927.55 and 86,766.30

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Solution

The fourth proportional to 95,951.70, 143,927.55 and 86,766.30 is: 130,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,951.70 : 143,927.55 = 86,766.30 : x
  2. Step 2: Convert to fraction form
    95,951.70/143,927.55 = 86,766.30/x
  3. Step 3: Cross multiply
    95,951.70x = 143,927.55 × 86,766.30
  4. Step 4: Simplify right side
    95,951.70x = 12,488,060,981.57
  5. Step 5: Solve for x
    x = 12,488,060,981.57/95,951.70
  6. Step 6: Final answer
    x = 130,149.45

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1.5x scale

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.