Home / 154,555.20-231,866.40-88,027.20

Finding the Fourth Proportional to 154,555.20, 231,866.40 and 88,027.20

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Solution

The fourth proportional to 154,555.20, 231,866.40 and 88,027.20 is: 132,059.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,555.20 : 231,866.40 = 88,027.20 : x
  2. Step 2: Convert to fraction form
    154,555.20/231,866.40 = 88,027.20/x
  3. Step 3: Cross multiply
    154,555.20x = 231,866.40 × 88,027.20
  4. Step 4: Simplify right side
    154,555.20x = 20,410,549,966.08
  5. Step 5: Solve for x
    x = 20,410,549,966.08/154,555.20
  6. Step 6: Final answer
    x = 132,059.94

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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.