Home / 209,227.68-288,712.62-124,328.34

Finding the Fourth Proportional to 209,227.68, 288,712.62 and 124,328.34

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Solution

The fourth proportional to 209,227.68, 288,712.62 and 124,328.34 is: 171,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,227.68 : 288,712.62 = 124,328.34 : x
  2. Step 2: Convert to fraction form
    209,227.68/288,712.62 = 124,328.34/x
  3. Step 3: Cross multiply
    209,227.68x = 288,712.62 × 124,328.34
  4. Step 4: Simplify right side
    209,227.68x = 35,895,160,781.65
  5. Step 5: Solve for x
    x = 35,895,160,781.65/209,227.68
  6. Step 6: Final answer
    x = 171,560.29

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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.