Home / 126,808.31-174,993.30-70,218.47

Finding the Fourth Proportional to 126,808.31, 174,993.30 and 70,218.47

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Solution

The fourth proportional to 126,808.31, 174,993.30 and 70,218.47 is: 96,900.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,808.31 : 174,993.30 = 70,218.47 : x
  2. Step 2: Convert to fraction form
    126,808.31/174,993.30 = 70,218.47/x
  3. Step 3: Cross multiply
    126,808.31x = 174,993.30 × 70,218.47
  4. Step 4: Simplify right side
    126,808.31x = 12,287,760,911.28
  5. Step 5: Solve for x
    x = 12,287,760,911.28/126,808.31
  6. Step 6: Final answer
    x = 96,900.29

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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.