Home / 125,223.15-172,806.96-68,634.39

Finding the Fourth Proportional to 125,223.15, 172,806.96 and 68,634.39

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Solution

The fourth proportional to 125,223.15, 172,806.96 and 68,634.39 is: 94,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,223.15 : 172,806.96 = 68,634.39 : x
  2. Step 2: Convert to fraction form
    125,223.15/172,806.96 = 68,634.39/x
  3. Step 3: Cross multiply
    125,223.15x = 172,806.96 × 68,634.39
  4. Step 4: Simplify right side
    125,223.15x = 11,860,500,287.35
  5. Step 5: Solve for x
    x = 11,860,500,287.35/125,223.15
  6. Step 6: Final answer
    x = 94,714.92

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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.