Home / 154,849.20-232,216.20-61,335.60

Finding the Fourth Proportional to 154,849.20, 232,216.20 and 61,335.60

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Solution

The fourth proportional to 154,849.20, 232,216.20 and 61,335.60 is: 91,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,849.20 : 232,216.20 = 61,335.60 : x
  2. Step 2: Convert to fraction form
    154,849.20/232,216.20 = 61,335.60/x
  3. Step 3: Cross multiply
    154,849.20x = 232,216.20 × 61,335.60
  4. Step 4: Simplify right side
    154,849.20x = 14,243,119,956.72
  5. Step 5: Solve for x
    x = 14,243,119,956.72/154,849.20
  6. Step 6: Final answer
    x = 91,980.58

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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.