Home / 160,747.70-221,830.07-92,763.90

Finding the Fourth Proportional to 160,747.70, 221,830.07 and 92,763.90

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Solution

The fourth proportional to 160,747.70, 221,830.07 and 92,763.90 is: 128,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,747.70 : 221,830.07 = 92,763.90 : x
  2. Step 2: Convert to fraction form
    160,747.70/221,830.07 = 92,763.90/x
  3. Step 3: Cross multiply
    160,747.70x = 221,830.07 × 92,763.90
  4. Step 4: Simplify right side
    160,747.70x = 20,577,821,966.65
  5. Step 5: Solve for x
    x = 20,577,821,966.65/160,747.70
  6. Step 6: Final answer
    x = 128,013.17

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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.