Home / 125,536.73-173,176.38-80,167.01

Finding the Fourth Proportional to 125,536.73, 173,176.38 and 80,167.01

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Solution

The fourth proportional to 125,536.73, 173,176.38 and 80,167.01 is: 110,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,536.73 : 173,176.38 = 80,167.01 : x
  2. Step 2: Convert to fraction form
    125,536.73/173,176.38 = 80,167.01/x
  3. Step 3: Cross multiply
    125,536.73x = 173,176.38 × 80,167.01
  4. Step 4: Simplify right side
    125,536.73x = 13,883,031,721.34
  5. Step 5: Solve for x
    x = 13,883,031,721.34/125,536.73
  6. Step 6: Final answer
    x = 110,589.40

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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.