Home / 140,234.91-193,524.17-76,572.76

Finding the Fourth Proportional to 140,234.91, 193,524.17 and 76,572.76

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Solution

The fourth proportional to 140,234.91, 193,524.17 and 76,572.76 is: 105,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,234.91 : 193,524.17 = 76,572.76 : x
  2. Step 2: Convert to fraction form
    140,234.91/193,524.17 = 76,572.76/x
  3. Step 3: Cross multiply
    140,234.91x = 193,524.17 × 76,572.76
  4. Step 4: Simplify right side
    140,234.91x = 14,818,678,956.94
  5. Step 5: Solve for x
    x = 14,818,678,956.94/140,234.91
  6. Step 6: Final answer
    x = 105,670.40

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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.