Home / 188,386.52-260,203.38-140,850.68

Finding the Fourth Proportional to 188,386.52, 260,203.38 and 140,850.68

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Solution

The fourth proportional to 188,386.52, 260,203.38 and 140,850.68 is: 194,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,386.52 : 260,203.38 = 140,850.68 : x
  2. Step 2: Convert to fraction form
    188,386.52/260,203.38 = 140,850.68/x
  3. Step 3: Cross multiply
    188,386.52x = 260,203.38 × 140,850.68
  4. Step 4: Simplify right side
    188,386.52x = 36,649,823,011.30
  5. Step 5: Solve for x
    x = 36,649,823,011.30/188,386.52
  6. Step 6: Final answer
    x = 194,545.89

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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.