Home / 156,740.60-234,722.10-125,636.60

Finding the Fourth Proportional to 156,740.60, 234,722.10 and 125,636.60

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Solution

The fourth proportional to 156,740.60, 234,722.10 and 125,636.60 is: 188,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,740.60 : 234,722.10 = 125,636.60 : x
  2. Step 2: Convert to fraction form
    156,740.60/234,722.10 = 125,636.60/x
  3. Step 3: Cross multiply
    156,740.60x = 234,722.10 × 125,636.60
  4. Step 4: Simplify right side
    156,740.60x = 29,489,686,588.86
  5. Step 5: Solve for x
    x = 29,489,686,588.86/156,740.60
  6. Step 6: Final answer
    x = 188,143.25

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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.