Home / 143,733.60-198,337.16-83,323.20

Finding the Fourth Proportional to 143,733.60, 198,337.16 and 83,323.20

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Solution

The fourth proportional to 143,733.60, 198,337.16 and 83,323.20 is: 114,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,733.60 : 198,337.16 = 83,323.20 : x
  2. Step 2: Convert to fraction form
    143,733.60/198,337.16 = 83,323.20/x
  3. Step 3: Cross multiply
    143,733.60x = 198,337.16 × 83,323.20
  4. Step 4: Simplify right side
    143,733.60x = 16,526,086,850.11
  5. Step 5: Solve for x
    x = 16,526,086,850.11/143,733.60
  6. Step 6: Final answer
    x = 114,977.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.