Home / 125,150.54-172,707.92-67,790.48

Finding the Fourth Proportional to 125,150.54, 172,707.92 and 67,790.48

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Solution

The fourth proportional to 125,150.54, 172,707.92 and 67,790.48 is: 93,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,150.54 : 172,707.92 = 67,790.48 : x
  2. Step 2: Convert to fraction form
    125,150.54/172,707.92 = 67,790.48/x
  3. Step 3: Cross multiply
    125,150.54x = 172,707.92 × 67,790.48
  4. Step 4: Simplify right side
    125,150.54x = 11,707,952,796.60
  5. Step 5: Solve for x
    x = 11,707,952,796.60/125,150.54
  6. Step 6: Final answer
    x = 93,550.96

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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.