Home / 175,418.73-262,931.13-86,734.53

Finding the Fourth Proportional to 175,418.73, 262,931.13 and 86,734.53

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Solution

The fourth proportional to 175,418.73, 262,931.13 and 86,734.53 is: 130,004.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,418.73 : 262,931.13 = 86,734.53 : x
  2. Step 2: Convert to fraction form
    175,418.73/262,931.13 = 86,734.53/x
  3. Step 3: Cross multiply
    175,418.73x = 262,931.13 × 86,734.53
  4. Step 4: Simplify right side
    175,418.73x = 22,805,207,982.92
  5. Step 5: Solve for x
    x = 22,805,207,982.92/175,418.73
  6. Step 6: Final answer
    x = 130,004.41

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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.