Home / 126,550.08-174,630.34-69,957

Finding the Fourth Proportional to 126,550.08, 174,630.34 and 69,957

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Solution

The fourth proportional to 126,550.08, 174,630.34 and 69,957 is: 96,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,550.08 : 174,630.34 = 69,957 : x
  2. Step 2: Convert to fraction form
    126,550.08/174,630.34 = 69,957/x
  3. Step 3: Cross multiply
    126,550.08x = 174,630.34 × 69,957
  4. Step 4: Simplify right side
    126,550.08x = 12,216,614,695.38
  5. Step 5: Solve for x
    x = 12,216,614,695.38/126,550.08
  6. Step 6: Final answer
    x = 96,535.81

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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.