Home / 126,218.16-174,179.88-69,628.32

Finding the Fourth Proportional to 126,218.16, 174,179.88 and 69,628.32

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Solution

The fourth proportional to 126,218.16, 174,179.88 and 69,628.32 is: 96,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,218.16 : 174,179.88 = 69,628.32 : x
  2. Step 2: Convert to fraction form
    126,218.16/174,179.88 = 69,628.32/x
  3. Step 3: Cross multiply
    126,218.16x = 174,179.88 × 69,628.32
  4. Step 4: Simplify right side
    126,218.16x = 12,127,852,422.20
  5. Step 5: Solve for x
    x = 12,127,852,422.20/126,218.16
  6. Step 6: Final answer
    x = 96,086.43

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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.