Home / 154,120.48-231,188.72-48,947.68

Finding the Fourth Proportional to 154,120.48, 231,188.72 and 48,947.68

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Solution

The fourth proportional to 154,120.48, 231,188.72 and 48,947.68 is: 73,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,120.48 : 231,188.72 = 48,947.68 : x
  2. Step 2: Convert to fraction form
    154,120.48/231,188.72 = 48,947.68/x
  3. Step 3: Cross multiply
    154,120.48x = 231,188.72 × 48,947.68
  4. Step 4: Simplify right side
    154,120.48x = 11,316,151,486.17
  5. Step 5: Solve for x
    x = 11,316,151,486.17/154,120.48
  6. Step 6: Final answer
    x = 73,424.06

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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.