Home / 125,194.32-172,768.68-68,606.64

Finding the Fourth Proportional to 125,194.32, 172,768.68 and 68,606.64

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Solution

The fourth proportional to 125,194.32, 172,768.68 and 68,606.64 is: 94,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,194.32 : 172,768.68 = 68,606.64 : x
  2. Step 2: Convert to fraction form
    125,194.32/172,768.68 = 68,606.64/x
  3. Step 3: Cross multiply
    125,194.32x = 172,768.68 × 68,606.64
  4. Step 4: Simplify right side
    125,194.32x = 11,853,078,632.04
  5. Step 5: Solve for x
    x = 11,853,078,632.04/125,194.32
  6. Step 6: Final answer
    x = 94,677.45

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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.