Home / 147,822.42-203,934.54-109,152.90

Finding the Fourth Proportional to 147,822.42, 203,934.54 and 109,152.90

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Solution

The fourth proportional to 147,822.42, 203,934.54 and 109,152.90 is: 150,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822.42 : 203,934.54 = 109,152.90 : x
  2. Step 2: Convert to fraction form
    147,822.42/203,934.54 = 109,152.90/x
  3. Step 3: Cross multiply
    147,822.42x = 203,934.54 × 109,152.90
  4. Step 4: Simplify right side
    147,822.42x = 22,260,046,451.17
  5. Step 5: Solve for x
    x = 22,260,046,451.17/147,822.42
  6. Step 6: Final answer
    x = 150,586.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.