Home / 126,091.04-174,000.40-68,729.10

Finding the Fourth Proportional to 126,091.04, 174,000.40 and 68,729.10

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Solution

The fourth proportional to 126,091.04, 174,000.40 and 68,729.10 is: 94,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,091.04 : 174,000.40 = 68,729.10 : x
  2. Step 2: Convert to fraction form
    126,091.04/174,000.40 = 68,729.10/x
  3. Step 3: Cross multiply
    126,091.04x = 174,000.40 × 68,729.10
  4. Step 4: Simplify right side
    126,091.04x = 11,958,890,284.82
  5. Step 5: Solve for x
    x = 11,958,890,284.82/126,091.04
  6. Step 6: Final answer
    x = 94,843.30

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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.