Home / 169,689.28-234,143.10-98,075.97

Finding the Fourth Proportional to 169,689.28, 234,143.10 and 98,075.97

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Solution

The fourth proportional to 169,689.28, 234,143.10 and 98,075.97 is: 135,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,689.28 : 234,143.10 = 98,075.97 : x
  2. Step 2: Convert to fraction form
    169,689.28/234,143.10 = 98,075.97/x
  3. Step 3: Cross multiply
    169,689.28x = 234,143.10 × 98,075.97
  4. Step 4: Simplify right side
    169,689.28x = 22,963,811,651.31
  5. Step 5: Solve for x
    x = 22,963,811,651.31/169,689.28
  6. Step 6: Final answer
    x = 135,328.59

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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.