Home / 126,248.20-189,438.54-47,416.84

Finding the Fourth Proportional to 126,248.20, 189,438.54 and 47,416.84

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Solution

The fourth proportional to 126,248.20, 189,438.54 and 47,416.84 is: 71,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,248.20 : 189,438.54 = 47,416.84 : x
  2. Step 2: Convert to fraction form
    126,248.20/189,438.54 = 47,416.84/x
  3. Step 3: Cross multiply
    126,248.20x = 189,438.54 × 47,416.84
  4. Step 4: Simplify right side
    126,248.20x = 8,982,576,941.01
  5. Step 5: Solve for x
    x = 8,982,576,941.01/126,248.20
  6. Step 6: Final answer
    x = 71,150.14

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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.