Home / 140,707.27-194,176.34-76,177.18

Finding the Fourth Proportional to 140,707.27, 194,176.34 and 76,177.18

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Solution

The fourth proportional to 140,707.27, 194,176.34 and 76,177.18 is: 105,124.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,707.27 : 194,176.34 = 76,177.18 : x
  2. Step 2: Convert to fraction form
    140,707.27/194,176.34 = 76,177.18/x
  3. Step 3: Cross multiply
    140,707.27x = 194,176.34 × 76,177.18
  4. Step 4: Simplify right side
    140,707.27x = 14,791,806,510.86
  5. Step 5: Solve for x
    x = 14,791,806,510.86/140,707.27
  6. Step 6: Final answer
    x = 105,124.68

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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.