Home / 138,545.91-190,910.88-95,538.51

Finding the Fourth Proportional to 138,545.91, 190,910.88 and 95,538.51

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Solution

The fourth proportional to 138,545.91, 190,910.88 and 95,538.51 is: 131,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,545.91 : 190,910.88 = 95,538.51 : x
  2. Step 2: Convert to fraction form
    138,545.91/190,910.88 = 95,538.51/x
  3. Step 3: Cross multiply
    138,545.91x = 190,910.88 × 95,538.51
  4. Step 4: Simplify right side
    138,545.91x = 18,239,341,017.99
  5. Step 5: Solve for x
    x = 18,239,341,017.99/138,545.91
  6. Step 6: Final answer
    x = 131,648.35

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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.