Home / 140,227.04-193,513.20-76,565.12

Finding the Fourth Proportional to 140,227.04, 193,513.20 and 76,565.12

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Solution

The fourth proportional to 140,227.04, 193,513.20 and 76,565.12 is: 105,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,227.04 : 193,513.20 = 76,565.12 : x
  2. Step 2: Convert to fraction form
    140,227.04/193,513.20 = 76,565.12/x
  3. Step 3: Cross multiply
    140,227.04x = 193,513.20 × 76,565.12
  4. Step 4: Simplify right side
    140,227.04x = 14,816,361,379.58
  5. Step 5: Solve for x
    x = 14,816,361,379.58/140,227.04
  6. Step 6: Final answer
    x = 105,659.80

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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.