Home / 126,959.90-190,488.45-124,967.30

Finding the Fourth Proportional to 126,959.90, 190,488.45 and 124,967.30

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Solution

The fourth proportional to 126,959.90, 190,488.45 and 124,967.30 is: 187,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,959.90 : 190,488.45 = 124,967.30 : x
  2. Step 2: Convert to fraction form
    126,959.90/190,488.45 = 124,967.30/x
  3. Step 3: Cross multiply
    126,959.90x = 190,488.45 × 124,967.30
  4. Step 4: Simplify right side
    126,959.90x = 23,804,827,277.69
  5. Step 5: Solve for x
    x = 23,804,827,277.69/126,959.90
  6. Step 6: Final answer
    x = 187,498.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.