Home / 156,740.40-235,168.20-63,255.60

Finding the Fourth Proportional to 156,740.40, 235,168.20 and 63,255.60

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Solution

The fourth proportional to 156,740.40, 235,168.20 and 63,255.60 is: 94,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,740.40 : 235,168.20 = 63,255.60 : x
  2. Step 2: Convert to fraction form
    156,740.40/235,168.20 = 63,255.60/x
  3. Step 3: Cross multiply
    156,740.40x = 235,168.20 × 63,255.60
  4. Step 4: Simplify right side
    156,740.40x = 14,875,705,591.92
  5. Step 5: Solve for x
    x = 14,875,705,591.92/156,740.40
  6. Step 6: Final answer
    x = 94,906.65

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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.