Home / 126,171.48-174,116.56-69,582.88

Finding the Fourth Proportional to 126,171.48, 174,116.56 and 69,582.88

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Solution

The fourth proportional to 126,171.48, 174,116.56 and 69,582.88 is: 96,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,171.48 : 174,116.56 = 69,582.88 : x
  2. Step 2: Convert to fraction form
    126,171.48/174,116.56 = 69,582.88/x
  3. Step 3: Cross multiply
    126,171.48x = 174,116.56 × 69,582.88
  4. Step 4: Simplify right side
    126,171.48x = 12,115,531,700.49
  5. Step 5: Solve for x
    x = 12,115,531,700.49/126,171.48
  6. Step 6: Final answer
    x = 96,024.33

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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.