Home / 154,344.69-231,359.16-104,430.06

Finding the Fourth Proportional to 154,344.69, 231,359.16 and 104,430.06

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Solution

The fourth proportional to 154,344.69, 231,359.16 and 104,430.06 is: 156,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,344.69 : 231,359.16 = 104,430.06 : x
  2. Step 2: Convert to fraction form
    154,344.69/231,359.16 = 104,430.06/x
  3. Step 3: Cross multiply
    154,344.69x = 231,359.16 × 104,430.06
  4. Step 4: Simplify right side
    154,344.69x = 24,160,850,960.35
  5. Step 5: Solve for x
    x = 24,160,850,960.35/154,344.69
  6. Step 6: Final answer
    x = 156,538.27

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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.