Home / 140,263.60-193,560.68-76,601.66

Finding the Fourth Proportional to 140,263.60, 193,560.68 and 76,601.66

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Solution

The fourth proportional to 140,263.60, 193,560.68 and 76,601.66 is: 105,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,263.60 : 193,560.68 = 76,601.66 : x
  2. Step 2: Convert to fraction form
    140,263.60/193,560.68 = 76,601.66/x
  3. Step 3: Cross multiply
    140,263.60x = 193,560.68 × 76,601.66
  4. Step 4: Simplify right side
    140,263.60x = 14,827,069,398.73
  5. Step 5: Solve for x
    x = 14,827,069,398.73/140,263.60
  6. Step 6: Final answer
    x = 105,708.60

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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.