Home / 160,730.38-221,795.82-88,121.67

Finding the Fourth Proportional to 160,730.38, 221,795.82 and 88,121.67

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Solution

The fourth proportional to 160,730.38, 221,795.82 and 88,121.67 is: 121,601.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,730.38 : 221,795.82 = 88,121.67 : x
  2. Step 2: Convert to fraction form
    160,730.38/221,795.82 = 88,121.67/x
  3. Step 3: Cross multiply
    160,730.38x = 221,795.82 × 88,121.67
  4. Step 4: Simplify right side
    160,730.38x = 19,545,018,473.29
  5. Step 5: Solve for x
    x = 19,545,018,473.29/160,730.38
  6. Step 6: Final answer
    x = 121,601.27

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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.