Home / 124,273.80-186,244.38-45,313.56

Finding the Fourth Proportional to 124,273.80, 186,244.38 and 45,313.56

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Solution

The fourth proportional to 124,273.80, 186,244.38 and 45,313.56 is: 67,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,273.80 : 186,244.38 = 45,313.56 : x
  2. Step 2: Convert to fraction form
    124,273.80/186,244.38 = 45,313.56/x
  3. Step 3: Cross multiply
    124,273.80x = 186,244.38 × 45,313.56
  4. Step 4: Simplify right side
    124,273.80x = 8,439,395,887.79
  5. Step 5: Solve for x
    x = 8,439,395,887.79/124,273.80
  6. Step 6: Final answer
    x = 67,909.70

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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.