Home / 156,445.56-234,426.96-105,645.60

Finding the Fourth Proportional to 156,445.56, 234,426.96 and 105,645.60

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Solution

The fourth proportional to 156,445.56, 234,426.96 and 105,645.60 is: 158,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,445.56 : 234,426.96 = 105,645.60 : x
  2. Step 2: Convert to fraction form
    156,445.56/234,426.96 = 105,645.60/x
  3. Step 3: Cross multiply
    156,445.56x = 234,426.96 × 105,645.60
  4. Step 4: Simplify right side
    156,445.56x = 24,766,176,845.38
  5. Step 5: Solve for x
    x = 24,766,176,845.38/156,445.56
  6. Step 6: Final answer
    x = 158,305.40

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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.