Home / 140,529.80-193,934.24-76,867.65

Finding the Fourth Proportional to 140,529.80, 193,934.24 and 76,867.65

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Solution

The fourth proportional to 140,529.80, 193,934.24 and 76,867.65 is: 106,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,529.80 : 193,934.24 = 76,867.65 : x
  2. Step 2: Convert to fraction form
    140,529.80/193,934.24 = 76,867.65/x
  3. Step 3: Cross multiply
    140,529.80x = 193,934.24 × 76,867.65
  4. Step 4: Simplify right side
    140,529.80x = 14,907,268,899.00
  5. Step 5: Solve for x
    x = 14,907,268,899.00/140,529.80
  6. Step 6: Final answer
    x = 106,079.06

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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.