Home / 247,151.93-341,067.11-138,254.85

Finding the Fourth Proportional to 247,151.93, 341,067.11 and 138,254.85

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Solution

The fourth proportional to 247,151.93, 341,067.11 and 138,254.85 is: 190,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,151.93 : 341,067.11 = 138,254.85 : x
  2. Step 2: Convert to fraction form
    247,151.93/341,067.11 = 138,254.85/x
  3. Step 3: Cross multiply
    247,151.93x = 341,067.11 × 138,254.85
  4. Step 4: Simplify right side
    247,151.93x = 47,154,181,441.71
  5. Step 5: Solve for x
    x = 47,154,181,441.71/247,151.93
  6. Step 6: Final answer
    x = 190,790.27

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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.