Home / 156,987.90-235,481.85-57,151.35

Finding the Fourth Proportional to 156,987.90, 235,481.85 and 57,151.35

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Solution

The fourth proportional to 156,987.90, 235,481.85 and 57,151.35 is: 85,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,987.90 : 235,481.85 = 57,151.35 : x
  2. Step 2: Convert to fraction form
    156,987.90/235,481.85 = 57,151.35/x
  3. Step 3: Cross multiply
    156,987.90x = 235,481.85 × 57,151.35
  4. Step 4: Simplify right side
    156,987.90x = 13,458,105,628.00
  5. Step 5: Solve for x
    x = 13,458,105,628.00/156,987.90
  6. Step 6: Final answer
    x = 85,727.03

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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.