Home / 125,254.54-172,850.25-68,665.78

Finding the Fourth Proportional to 125,254.54, 172,850.25 and 68,665.78

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Solution

The fourth proportional to 125,254.54, 172,850.25 and 68,665.78 is: 94,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,254.54 : 172,850.25 = 68,665.78 : x
  2. Step 2: Convert to fraction form
    125,254.54/172,850.25 = 68,665.78/x
  3. Step 3: Cross multiply
    125,254.54x = 172,850.25 × 68,665.78
  4. Step 4: Simplify right side
    125,254.54x = 11,868,897,239.45
  5. Step 5: Solve for x
    x = 11,868,897,239.45/125,254.54
  6. Step 6: Final answer
    x = 94,758.22

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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.