Home / 124,218.43-186,087.07-74,337.82

Finding the Fourth Proportional to 124,218.43, 186,087.07 and 74,337.82

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Solution

The fourth proportional to 124,218.43, 186,087.07 and 74,337.82 is: 111,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,218.43 : 186,087.07 = 74,337.82 : x
  2. Step 2: Convert to fraction form
    124,218.43/186,087.07 = 74,337.82/x
  3. Step 3: Cross multiply
    124,218.43x = 186,087.07 × 74,337.82
  4. Step 4: Simplify right side
    124,218.43x = 13,833,306,741.69
  5. Step 5: Solve for x
    x = 13,833,306,741.69/124,218.43
  6. Step 6: Final answer
    x = 111,362.76

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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.