Home / 169,721.11-234,257.23-98,142.63

Finding the Fourth Proportional to 169,721.11, 234,257.23 and 98,142.63

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Solution

The fourth proportional to 169,721.11, 234,257.23 and 98,142.63 is: 135,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,721.11 : 234,257.23 = 98,142.63 : x
  2. Step 2: Convert to fraction form
    169,721.11/234,257.23 = 98,142.63/x
  3. Step 3: Cross multiply
    169,721.11x = 234,257.23 × 98,142.63
  4. Step 4: Simplify right side
    169,721.11x = 22,990,620,648.71
  5. Step 5: Solve for x
    x = 22,990,620,648.71/169,721.11
  6. Step 6: Final answer
    x = 135,461.17

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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.