Home / 177,122.43-265,635.03-105,989.10

Finding the Fourth Proportional to 177,122.43, 265,635.03 and 105,989.10

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Solution

The fourth proportional to 177,122.43, 265,635.03 and 105,989.10 is: 158,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,122.43 : 265,635.03 = 105,989.10 : x
  2. Step 2: Convert to fraction form
    177,122.43/265,635.03 = 105,989.10/x
  3. Step 3: Cross multiply
    177,122.43x = 265,635.03 × 105,989.10
  4. Step 4: Simplify right side
    177,122.43x = 28,154,417,758.17
  5. Step 5: Solve for x
    x = 28,154,417,758.17/177,122.43
  6. Step 6: Final answer
    x = 158,954.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.