Home / 126,287.88-174,276.48-69,699.24

Finding the Fourth Proportional to 126,287.88, 174,276.48 and 69,699.24

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Solution

The fourth proportional to 126,287.88, 174,276.48 and 69,699.24 is: 96,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,287.88 : 174,276.48 = 69,699.24 : x
  2. Step 2: Convert to fraction form
    126,287.88/174,276.48 = 69,699.24/x
  3. Step 3: Cross multiply
    126,287.88x = 174,276.48 × 69,699.24
  4. Step 4: Simplify right side
    126,287.88x = 12,146,938,205.88
  5. Step 5: Solve for x
    x = 12,146,938,205.88/126,287.88
  6. Step 6: Final answer
    x = 96,184.51

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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.