Home / 126,151.92-189,247.32-37,419.12

Finding the Fourth Proportional to 126,151.92, 189,247.32 and 37,419.12

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Solution

The fourth proportional to 126,151.92, 189,247.32 and 37,419.12 is: 56,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,151.92 : 189,247.32 = 37,419.12 : x
  2. Step 2: Convert to fraction form
    126,151.92/189,247.32 = 37,419.12/x
  3. Step 3: Cross multiply
    126,151.92x = 189,247.32 × 37,419.12
  4. Step 4: Simplify right side
    126,151.92x = 7,081,468,176.76
  5. Step 5: Solve for x
    x = 7,081,468,176.76/126,151.92
  6. Step 6: Final answer
    x = 56,134.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.