Home / 126,610.14-174,714.57-70,017.78

Finding the Fourth Proportional to 126,610.14, 174,714.57 and 70,017.78

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Solution

The fourth proportional to 126,610.14, 174,714.57 and 70,017.78 is: 96,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,610.14 : 174,714.57 = 70,017.78 : x
  2. Step 2: Convert to fraction form
    126,610.14/174,714.57 = 70,017.78/x
  3. Step 3: Cross multiply
    126,610.14x = 174,714.57 × 70,017.78
  4. Step 4: Simplify right side
    126,610.14x = 12,233,126,325.05
  5. Step 5: Solve for x
    x = 12,233,126,325.05/126,610.14
  6. Step 6: Final answer
    x = 96,620.43

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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.