Home / 118,126.12-162,881.62-96,548.92

Finding the Fourth Proportional to 118,126.12, 162,881.62 and 96,548.92

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Solution

The fourth proportional to 118,126.12, 162,881.62 and 96,548.92 is: 133,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,126.12 : 162,881.62 = 96,548.92 : x
  2. Step 2: Convert to fraction form
    118,126.12/162,881.62 = 96,548.92/x
  3. Step 3: Cross multiply
    118,126.12x = 162,881.62 × 96,548.92
  4. Step 4: Simplify right side
    118,126.12x = 15,726,044,498.85
  5. Step 5: Solve for x
    x = 15,726,044,498.85/118,126.12
  6. Step 6: Final answer
    x = 133,129.27

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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.