Home / 154,343.19-231,356.91-104,428.56

Finding the Fourth Proportional to 154,343.19, 231,356.91 and 104,428.56

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Solution

The fourth proportional to 154,343.19, 231,356.91 and 104,428.56 is: 156,536.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,343.19 : 231,356.91 = 104,428.56 : x
  2. Step 2: Convert to fraction form
    154,343.19/231,356.91 = 104,428.56/x
  3. Step 3: Cross multiply
    154,343.19x = 231,356.91 × 104,428.56
  4. Step 4: Simplify right side
    154,343.19x = 24,160,268,957.35
  5. Step 5: Solve for x
    x = 24,160,268,957.35/154,343.19
  6. Step 6: Final answer
    x = 156,536.02

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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.