Home / 160,589.32-221,717.25-103,254.39

Finding the Fourth Proportional to 160,589.32, 221,717.25 and 103,254.39

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Solution

The fourth proportional to 160,589.32, 221,717.25 and 103,254.39 is: 142,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,589.32 : 221,717.25 = 103,254.39 : x
  2. Step 2: Convert to fraction form
    160,589.32/221,717.25 = 103,254.39/x
  3. Step 3: Cross multiply
    160,589.32x = 221,717.25 × 103,254.39
  4. Step 4: Simplify right side
    160,589.32x = 22,893,279,401.23
  5. Step 5: Solve for x
    x = 22,893,279,401.23/160,589.32
  6. Step 6: Final answer
    x = 142,557.92

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1.5x scale

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.