Home / 188,717.69-260,512.13-134,909.39

Finding the Fourth Proportional to 188,717.69, 260,512.13 and 134,909.39

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Solution

The fourth proportional to 188,717.69, 260,512.13 and 134,909.39 is: 186,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,717.69 : 260,512.13 = 134,909.39 : x
  2. Step 2: Convert to fraction form
    188,717.69/260,512.13 = 134,909.39/x
  3. Step 3: Cross multiply
    188,717.69x = 260,512.13 × 134,909.39
  4. Step 4: Simplify right side
    188,717.69x = 35,145,532,545.90
  5. Step 5: Solve for x
    x = 35,145,532,545.90/188,717.69
  6. Step 6: Final answer
    x = 186,233.38

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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.