Home / 154,345.19-231,359.92-104,430.56

Finding the Fourth Proportional to 154,345.19, 231,359.92 and 104,430.56

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Solution

The fourth proportional to 154,345.19, 231,359.92 and 104,430.56 is: 156,539.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,345.19 : 231,359.92 = 104,430.56 : x
  2. Step 2: Convert to fraction form
    154,345.19/231,359.92 = 104,430.56/x
  3. Step 3: Cross multiply
    154,345.19x = 231,359.92 × 104,430.56
  4. Step 4: Simplify right side
    154,345.19x = 24,161,044,589.28
  5. Step 5: Solve for x
    x = 24,161,044,589.28/154,345.19
  6. Step 6: Final answer
    x = 156,539.02

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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.