Home / 113,270.20-156,316.88-62,286.80

Finding the Fourth Proportional to 113,270.20, 156,316.88 and 62,286.80

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Solution

The fourth proportional to 113,270.20, 156,316.88 and 62,286.80 is: 85,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,270.20 : 156,316.88 = 62,286.80 : x
  2. Step 2: Convert to fraction form
    113,270.20/156,316.88 = 62,286.80/x
  3. Step 3: Cross multiply
    113,270.20x = 156,316.88 × 62,286.80
  4. Step 4: Simplify right side
    113,270.20x = 9,736,477,615.32
  5. Step 5: Solve for x
    x = 9,736,477,615.32/113,270.20
  6. Step 6: Final answer
    x = 85,957.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.