Home / 204,472.47-282,408.18-136,371.12

Finding the Fourth Proportional to 204,472.47, 282,408.18 and 136,371.12

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Solution

The fourth proportional to 204,472.47, 282,408.18 and 136,371.12 is: 188,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,472.47 : 282,408.18 = 136,371.12 : x
  2. Step 2: Convert to fraction form
    204,472.47/282,408.18 = 136,371.12/x
  3. Step 3: Cross multiply
    204,472.47x = 282,408.18 × 136,371.12
  4. Step 4: Simplify right side
    204,472.47x = 38,512,319,803.76
  5. Step 5: Solve for x
    x = 38,512,319,803.76/204,472.47
  6. Step 6: Final answer
    x = 188,349.66

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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.