Home / 160,697.65-221,778.66-89,091.52

Finding the Fourth Proportional to 160,697.65, 221,778.66 and 89,091.52

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Solution

The fourth proportional to 160,697.65, 221,778.66 and 89,091.52 is: 122,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,697.65 : 221,778.66 = 89,091.52 : x
  2. Step 2: Convert to fraction form
    160,697.65/221,778.66 = 89,091.52/x
  3. Step 3: Cross multiply
    160,697.65x = 221,778.66 × 89,091.52
  4. Step 4: Simplify right side
    160,697.65x = 19,758,597,922.96
  5. Step 5: Solve for x
    x = 19,758,597,922.96/160,697.65
  6. Step 6: Final answer
    x = 122,955.11

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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.