Home / 126,116.78-174,042.36-69,530.18

Finding the Fourth Proportional to 126,116.78, 174,042.36 and 69,530.18

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Solution

The fourth proportional to 126,116.78, 174,042.36 and 69,530.18 is: 95,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,116.78 : 174,042.36 = 69,530.18 : x
  2. Step 2: Convert to fraction form
    126,116.78/174,042.36 = 69,530.18/x
  3. Step 3: Cross multiply
    126,116.78x = 174,042.36 × 69,530.18
  4. Step 4: Simplify right side
    126,116.78x = 12,101,196,618.42
  5. Step 5: Solve for x
    x = 12,101,196,618.42/126,116.78
  6. Step 6: Final answer
    x = 95,952.31

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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.