Home / 146,543.30-219,887.85-57,799.70

Finding the Fourth Proportional to 146,543.30, 219,887.85 and 57,799.70

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Solution

The fourth proportional to 146,543.30, 219,887.85 and 57,799.70 is: 86,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,543.30 : 219,887.85 = 57,799.70 : x
  2. Step 2: Convert to fraction form
    146,543.30/219,887.85 = 57,799.70/x
  3. Step 3: Cross multiply
    146,543.30x = 219,887.85 × 57,799.70
  4. Step 4: Simplify right side
    146,543.30x = 12,709,451,763.65
  5. Step 5: Solve for x
    x = 12,709,451,763.65/146,543.30
  6. Step 6: Final answer
    x = 86,728.30

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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.