Home / 159,621.40-239,432.10-151,845.40

Finding the Fourth Proportional to 159,621.40, 239,432.10 and 151,845.40

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Solution

The fourth proportional to 159,621.40, 239,432.10 and 151,845.40 is: 227,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,621.40 : 239,432.10 = 151,845.40 : x
  2. Step 2: Convert to fraction form
    159,621.40/239,432.10 = 151,845.40/x
  3. Step 3: Cross multiply
    159,621.40x = 239,432.10 × 151,845.40
  4. Step 4: Simplify right side
    159,621.40x = 36,356,662,997.34
  5. Step 5: Solve for x
    x = 36,356,662,997.34/159,621.40
  6. Step 6: Final answer
    x = 227,768.10

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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.