Home / 160,605.29-221,626.04-88,981.04

Finding the Fourth Proportional to 160,605.29, 221,626.04 and 88,981.04

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Solution

The fourth proportional to 160,605.29, 221,626.04 and 88,981.04 is: 122,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,605.29 : 221,626.04 = 88,981.04 : x
  2. Step 2: Convert to fraction form
    160,605.29/221,626.04 = 88,981.04/x
  3. Step 3: Cross multiply
    160,605.29x = 221,626.04 × 88,981.04
  4. Step 4: Simplify right side
    160,605.29x = 19,720,513,977.25
  5. Step 5: Solve for x
    x = 19,720,513,977.25/160,605.29
  6. Step 6: Final answer
    x = 122,788.70

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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.