Home / 124,755.16-172,158.30-68,166.46

Finding the Fourth Proportional to 124,755.16, 172,158.30 and 68,166.46

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Solution

The fourth proportional to 124,755.16, 172,158.30 and 68,166.46 is: 94,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,755.16 : 172,158.30 = 68,166.46 : x
  2. Step 2: Convert to fraction form
    124,755.16/172,158.30 = 68,166.46/x
  3. Step 3: Cross multiply
    124,755.16x = 172,158.30 × 68,166.46
  4. Step 4: Simplify right side
    124,755.16x = 11,735,421,870.62
  5. Step 5: Solve for x
    x = 11,735,421,870.62/124,755.16
  6. Step 6: Final answer
    x = 94,067.63

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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.