Home / 154,120.98-231,189.47-48,948.18

Finding the Fourth Proportional to 154,120.98, 231,189.47 and 48,948.18

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Solution

The fourth proportional to 154,120.98, 231,189.47 and 48,948.18 is: 73,424.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,120.98 : 231,189.47 = 48,948.18 : x
  2. Step 2: Convert to fraction form
    154,120.98/231,189.47 = 48,948.18/x
  3. Step 3: Cross multiply
    154,120.98x = 231,189.47 × 48,948.18
  4. Step 4: Simplify right side
    154,120.98x = 11,316,303,791.66
  5. Step 5: Solve for x
    x = 11,316,303,791.66/154,120.98
  6. Step 6: Final answer
    x = 73,424.81

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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.