Home / 126,700.26-174,847.60-70,111.50

Finding the Fourth Proportional to 126,700.26, 174,847.60 and 70,111.50

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Solution

The fourth proportional to 126,700.26, 174,847.60 and 70,111.50 is: 96,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,700.26 : 174,847.60 = 70,111.50 : x
  2. Step 2: Convert to fraction form
    126,700.26/174,847.60 = 70,111.50/x
  3. Step 3: Cross multiply
    126,700.26x = 174,847.60 × 70,111.50
  4. Step 4: Simplify right side
    126,700.26x = 12,258,827,507.40
  5. Step 5: Solve for x
    x = 12,258,827,507.40/126,700.26
  6. Step 6: Final answer
    x = 96,754.56

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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.