Home / 160,586.65-221,623.19-88,989.13

Finding the Fourth Proportional to 160,586.65, 221,623.19 and 88,989.13

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Solution

The fourth proportional to 160,586.65, 221,623.19 and 88,989.13 is: 122,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,586.65 : 221,623.19 = 88,989.13 : x
  2. Step 2: Convert to fraction form
    160,586.65/221,623.19 = 88,989.13/x
  3. Step 3: Cross multiply
    160,586.65x = 221,623.19 × 88,989.13
  4. Step 4: Simplify right side
    160,586.65x = 19,722,054,865.92
  5. Step 5: Solve for x
    x = 19,722,054,865.92/160,586.65
  6. Step 6: Final answer
    x = 122,812.54

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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.