Home / 173,742.30-239,791.59-125,978.22

Finding the Fourth Proportional to 173,742.30, 239,791.59 and 125,978.22

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Solution

The fourth proportional to 173,742.30, 239,791.59 and 125,978.22 is: 173,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,742.30 : 239,791.59 = 125,978.22 : x
  2. Step 2: Convert to fraction form
    173,742.30/239,791.59 = 125,978.22/x
  3. Step 3: Cross multiply
    173,742.30x = 239,791.59 × 125,978.22
  4. Step 4: Simplify right side
    173,742.30x = 30,208,517,679.17
  5. Step 5: Solve for x
    x = 30,208,517,679.17/173,742.30
  6. Step 6: Final answer
    x = 173,869.68

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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.