Home / 156,986.60-235,091.10-125,882.60

Finding the Fourth Proportional to 156,986.60, 235,091.10 and 125,882.60

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Solution

The fourth proportional to 156,986.60, 235,091.10 and 125,882.60 is: 188,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,986.60 : 235,091.10 = 125,882.60 : x
  2. Step 2: Convert to fraction form
    156,986.60/235,091.10 = 125,882.60/x
  3. Step 3: Cross multiply
    156,986.60x = 235,091.10 × 125,882.60
  4. Step 4: Simplify right side
    156,986.60x = 29,593,878,904.86
  5. Step 5: Solve for x
    x = 29,593,878,904.86/156,986.60
  6. Step 6: Final answer
    x = 188,512.13

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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.