Home / 156,785.11-235,480.20-134,346.49

Finding the Fourth Proportional to 156,785.11, 235,480.20 and 134,346.49

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Solution

The fourth proportional to 156,785.11, 235,480.20 and 134,346.49 is: 201,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,785.11 : 235,480.20 = 134,346.49 : x
  2. Step 2: Convert to fraction form
    156,785.11/235,480.20 = 134,346.49/x
  3. Step 3: Cross multiply
    156,785.11x = 235,480.20 × 134,346.49
  4. Step 4: Simplify right side
    156,785.11x = 31,635,938,334.50
  5. Step 5: Solve for x
    x = 31,635,938,334.50/156,785.11
  6. Step 6: Final answer
    x = 201,778.97

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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.