Home / 125,150.06-172,707.19-68,561.44

Finding the Fourth Proportional to 125,150.06, 172,707.19 and 68,561.44

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Solution

The fourth proportional to 125,150.06, 172,707.19 and 68,561.44 is: 94,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,150.06 : 172,707.19 = 68,561.44 : x
  2. Step 2: Convert to fraction form
    125,150.06/172,707.19 = 68,561.44/x
  3. Step 3: Cross multiply
    125,150.06x = 172,707.19 × 68,561.44
  4. Step 4: Simplify right side
    125,150.06x = 11,841,053,041.58
  5. Step 5: Solve for x
    x = 11,841,053,041.58/125,150.06
  6. Step 6: Final answer
    x = 94,614.84

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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.