Home / 173,139.13-259,723.49-60,809.57

Finding the Fourth Proportional to 173,139.13, 259,723.49 and 60,809.57

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Solution

The fourth proportional to 173,139.13, 259,723.49 and 60,809.57 is: 91,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,139.13 : 259,723.49 = 60,809.57 : x
  2. Step 2: Convert to fraction form
    173,139.13/259,723.49 = 60,809.57/x
  3. Step 3: Cross multiply
    173,139.13x = 259,723.49 × 60,809.57
  4. Step 4: Simplify right side
    173,139.13x = 15,793,672,599.21
  5. Step 5: Solve for x
    x = 15,793,672,599.21/173,139.13
  6. Step 6: Final answer
    x = 91,219.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.