Home / 140,191.93-193,463.85-76,529.71

Finding the Fourth Proportional to 140,191.93, 193,463.85 and 76,529.71

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Solution

The fourth proportional to 140,191.93, 193,463.85 and 76,529.71 is: 105,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,191.93 : 193,463.85 = 76,529.71 : x
  2. Step 2: Convert to fraction form
    140,191.93/193,463.85 = 76,529.71/x
  3. Step 3: Cross multiply
    140,191.93x = 193,463.85 × 76,529.71
  4. Step 4: Simplify right side
    140,191.93x = 14,805,732,335.98
  5. Step 5: Solve for x
    x = 14,805,732,335.98/140,191.93
  6. Step 6: Final answer
    x = 105,610.45

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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.