Home / 126,158.10-189,269.07-41,918.70

Finding the Fourth Proportional to 126,158.10, 189,269.07 and 41,918.70

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Solution

The fourth proportional to 126,158.10, 189,269.07 and 41,918.70 is: 62,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,158.10 : 189,269.07 = 41,918.70 : x
  2. Step 2: Convert to fraction form
    126,158.10/189,269.07 = 41,918.70/x
  3. Step 3: Cross multiply
    126,158.10x = 189,269.07 × 41,918.70
  4. Step 4: Simplify right side
    126,158.10x = 7,933,913,364.61
  5. Step 5: Solve for x
    x = 7,933,913,364.61/126,158.10
  6. Step 6: Final answer
    x = 62,888.66

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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.