Home / 140,174.28-193,441.32-76,510.68

Finding the Fourth Proportional to 140,174.28, 193,441.32 and 76,510.68

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Solution

The fourth proportional to 140,174.28, 193,441.32 and 76,510.68 is: 105,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,174.28 : 193,441.32 = 76,510.68 : x
  2. Step 2: Convert to fraction form
    140,174.28/193,441.32 = 76,510.68/x
  3. Step 3: Cross multiply
    140,174.28x = 193,441.32 × 76,510.68
  4. Step 4: Simplify right side
    140,174.28x = 14,800,326,933.30
  5. Step 5: Solve for x
    x = 14,800,326,933.30/140,174.28
  6. Step 6: Final answer
    x = 105,585.18

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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.