Home / 154,348.08-231,538.72-49,142.48

Finding the Fourth Proportional to 154,348.08, 231,538.72 and 49,142.48

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Solution

The fourth proportional to 154,348.08, 231,538.72 and 49,142.48 is: 73,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,348.08 : 231,538.72 = 49,142.48 : x
  2. Step 2: Convert to fraction form
    154,348.08/231,538.72 = 49,142.48/x
  3. Step 3: Cross multiply
    154,348.08x = 231,538.72 × 49,142.48
  4. Step 4: Simplify right side
    154,348.08x = 11,378,386,916.83
  5. Step 5: Solve for x
    x = 11,378,386,916.83/154,348.08
  6. Step 6: Final answer
    x = 73,719.01

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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.