Home / 169,689.32-234,118.58-98,043.20

Finding the Fourth Proportional to 169,689.32, 234,118.58 and 98,043.20

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Solution

The fourth proportional to 169,689.32, 234,118.58 and 98,043.20 is: 135,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,689.32 : 234,118.58 = 98,043.20 : x
  2. Step 2: Convert to fraction form
    169,689.32/234,118.58 = 98,043.20/x
  3. Step 3: Cross multiply
    169,689.32x = 234,118.58 × 98,043.20
  4. Step 4: Simplify right side
    169,689.32x = 22,953,734,762.66
  5. Step 5: Solve for x
    x = 22,953,734,762.66/169,689.32
  6. Step 6: Final answer
    x = 135,269.18

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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.