Home / 156,440.38-234,392.35-105,052.72

Finding the Fourth Proportional to 156,440.38, 234,392.35 and 105,052.72

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Solution

The fourth proportional to 156,440.38, 234,392.35 and 105,052.72 is: 157,398.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,440.38 : 234,392.35 = 105,052.72 : x
  2. Step 2: Convert to fraction form
    156,440.38/234,392.35 = 105,052.72/x
  3. Step 3: Cross multiply
    156,440.38x = 234,392.35 × 105,052.72
  4. Step 4: Simplify right side
    156,440.38x = 24,623,553,100.10
  5. Step 5: Solve for x
    x = 24,623,553,100.10/156,440.38
  6. Step 6: Final answer
    x = 157,398.96

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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.