Home / 126,759.30-174,962.76-75,807.06

Finding the Fourth Proportional to 126,759.30, 174,962.76 and 75,807.06

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Solution

The fourth proportional to 126,759.30, 174,962.76 and 75,807.06 is: 104,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,759.30 : 174,962.76 = 75,807.06 : x
  2. Step 2: Convert to fraction form
    126,759.30/174,962.76 = 75,807.06/x
  3. Step 3: Cross multiply
    126,759.30x = 174,962.76 × 75,807.06
  4. Step 4: Simplify right side
    126,759.30x = 13,263,412,445.09
  5. Step 5: Solve for x
    x = 13,263,412,445.09/126,759.30
  6. Step 6: Final answer
    x = 104,634.63

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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.