Home / 147,326.27-203,304.87-90,061.49

Finding the Fourth Proportional to 147,326.27, 203,304.87 and 90,061.49

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Solution

The fourth proportional to 147,326.27, 203,304.87 and 90,061.49 is: 124,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,326.27 : 203,304.87 = 90,061.49 : x
  2. Step 2: Convert to fraction form
    147,326.27/203,304.87 = 90,061.49/x
  3. Step 3: Cross multiply
    147,326.27x = 203,304.87 × 90,061.49
  4. Step 4: Simplify right side
    147,326.27x = 18,309,940,024.72
  5. Step 5: Solve for x
    x = 18,309,940,024.72/147,326.27
  6. Step 6: Final answer
    x = 124,281.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.