Home / 163,787.48-245,172.72-88,721.24

Finding the Fourth Proportional to 163,787.48, 245,172.72 and 88,721.24

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Solution

The fourth proportional to 163,787.48, 245,172.72 and 88,721.24 is: 132,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,787.48 : 245,172.72 = 88,721.24 : x
  2. Step 2: Convert to fraction form
    163,787.48/245,172.72 = 88,721.24/x
  3. Step 3: Cross multiply
    163,787.48x = 245,172.72 × 88,721.24
  4. Step 4: Simplify right side
    163,787.48x = 21,752,027,732.57
  5. Step 5: Solve for x
    x = 21,752,027,732.57/163,787.48
  6. Step 6: Final answer
    x = 132,806.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.