Home / 160,599.10-221,623.89-88,977.69

Finding the Fourth Proportional to 160,599.10, 221,623.89 and 88,977.69

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Solution

The fourth proportional to 160,599.10, 221,623.89 and 88,977.69 is: 122,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,599.10 : 221,623.89 = 88,977.69 : x
  2. Step 2: Convert to fraction form
    160,599.10/221,623.89 = 88,977.69/x
  3. Step 3: Cross multiply
    160,599.10x = 221,623.89 × 88,977.69
  4. Step 4: Simplify right side
    160,599.10x = 19,719,581,781.01
  5. Step 5: Solve for x
    x = 19,719,581,781.01/160,599.10
  6. Step 6: Final answer
    x = 122,787.62

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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.