Home / 143,864.42-215,218.35-124,352.42

Finding the Fourth Proportional to 143,864.42, 215,218.35 and 124,352.42

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Solution

The fourth proportional to 143,864.42, 215,218.35 and 124,352.42 is: 186,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,864.42 : 215,218.35 = 124,352.42 : x
  2. Step 2: Convert to fraction form
    143,864.42/215,218.35 = 124,352.42/x
  3. Step 3: Cross multiply
    143,864.42x = 215,218.35 × 124,352.42
  4. Step 4: Simplify right side
    143,864.42x = 26,762,922,650.91
  5. Step 5: Solve for x
    x = 26,762,922,650.91/143,864.42
  6. Step 6: Final answer
    x = 186,028.78

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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.