Home / 126,230.31-174,192.66-69,641.64

Finding the Fourth Proportional to 126,230.31, 174,192.66 and 69,641.64

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Solution

The fourth proportional to 126,230.31, 174,192.66 and 69,641.64 is: 96,102.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,230.31 : 174,192.66 = 69,641.64 : x
  2. Step 2: Convert to fraction form
    126,230.31/174,192.66 = 69,641.64/x
  3. Step 3: Cross multiply
    126,230.31x = 174,192.66 × 69,641.64
  4. Step 4: Simplify right side
    126,230.31x = 12,131,062,518.36
  5. Step 5: Solve for x
    x = 12,131,062,518.36/126,230.31
  6. Step 6: Final answer
    x = 96,102.61

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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.