Home / 154,116.72-231,154.12-41,804.16

Finding the Fourth Proportional to 154,116.72, 231,154.12 and 41,804.16

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Solution

The fourth proportional to 154,116.72, 231,154.12 and 41,804.16 is: 62,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,116.72 : 231,154.12 = 41,804.16 : x
  2. Step 2: Convert to fraction form
    154,116.72/231,154.12 = 41,804.16/x
  3. Step 3: Cross multiply
    154,116.72x = 231,154.12 × 41,804.16
  4. Step 4: Simplify right side
    154,116.72x = 9,663,203,817.14
  5. Step 5: Solve for x
    x = 9,663,203,817.14/154,116.72
  6. Step 6: Final answer
    x = 62,700.55

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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.