Home / 139,248.27-192,162.87-75,586.14

Finding the Fourth Proportional to 139,248.27, 192,162.87 and 75,586.14

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Solution

The fourth proportional to 139,248.27, 192,162.87 and 75,586.14 is: 104,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,248.27 : 192,162.87 = 75,586.14 : x
  2. Step 2: Convert to fraction form
    139,248.27/192,162.87 = 75,586.14/x
  3. Step 3: Cross multiply
    139,248.27x = 192,162.87 × 75,586.14
  4. Step 4: Simplify right side
    139,248.27x = 14,524,849,594.62
  5. Step 5: Solve for x
    x = 14,524,849,594.62/139,248.27
  6. Step 6: Final answer
    x = 104,309.01

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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.