Home / 160,724.68-221,719.77-102,608.57

Finding the Fourth Proportional to 160,724.68, 221,719.77 and 102,608.57

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Solution

The fourth proportional to 160,724.68, 221,719.77 and 102,608.57 is: 141,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,724.68 : 221,719.77 = 102,608.57 : x
  2. Step 2: Convert to fraction form
    160,724.68/221,719.77 = 102,608.57/x
  3. Step 3: Cross multiply
    160,724.68x = 221,719.77 × 102,608.57
  4. Step 4: Simplify right side
    160,724.68x = 22,750,348,950.44
  5. Step 5: Solve for x
    x = 22,750,348,950.44/160,724.68
  6. Step 6: Final answer
    x = 141,548.57

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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.