Home / 156,971.10-235,067.85-125,867.10

Finding the Fourth Proportional to 156,971.10, 235,067.85 and 125,867.10

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Solution

The fourth proportional to 156,971.10, 235,067.85 and 125,867.10 is: 188,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.10 : 235,067.85 = 125,867.10 : x
  2. Step 2: Convert to fraction form
    156,971.10/235,067.85 = 125,867.10/x
  3. Step 3: Cross multiply
    156,971.10x = 235,067.85 × 125,867.10
  4. Step 4: Simplify right side
    156,971.10x = 29,587,308,582.74
  5. Step 5: Solve for x
    x = 29,587,308,582.74/156,971.10
  6. Step 6: Final answer
    x = 188,488.89

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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.