Home / 154,305.18-231,219.63-104,188.86

Finding the Fourth Proportional to 154,305.18, 231,219.63 and 104,188.86

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Solution

The fourth proportional to 154,305.18, 231,219.63 and 104,188.86 is: 156,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,305.18 : 231,219.63 = 104,188.86 : x
  2. Step 2: Convert to fraction form
    154,305.18/231,219.63 = 104,188.86/x
  3. Step 3: Cross multiply
    154,305.18x = 231,219.63 × 104,188.86
  4. Step 4: Simplify right side
    154,305.18x = 24,090,509,659.32
  5. Step 5: Solve for x
    x = 24,090,509,659.32/154,305.18
  6. Step 6: Final answer
    x = 156,122.49

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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.