Home / 153,738.47-212,257.85-96,456.38

Finding the Fourth Proportional to 153,738.47, 212,257.85 and 96,456.38

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Solution

The fourth proportional to 153,738.47, 212,257.85 and 96,456.38 is: 133,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,738.47 : 212,257.85 = 96,456.38 : x
  2. Step 2: Convert to fraction form
    153,738.47/212,257.85 = 96,456.38/x
  3. Step 3: Cross multiply
    153,738.47x = 212,257.85 × 96,456.38
  4. Step 4: Simplify right side
    153,738.47x = 20,473,622,294.01
  5. Step 5: Solve for x
    x = 20,473,622,294.01/153,738.47
  6. Step 6: Final answer
    x = 133,171.76

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1.5x scale

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.