Home / 113,393.24-156,501.86-65,675.60

Finding the Fourth Proportional to 113,393.24, 156,501.86 and 65,675.60

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Solution

The fourth proportional to 113,393.24, 156,501.86 and 65,675.60 is: 90,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,393.24 : 156,501.86 = 65,675.60 : x
  2. Step 2: Convert to fraction form
    113,393.24/156,501.86 = 65,675.60/x
  3. Step 3: Cross multiply
    113,393.24x = 156,501.86 × 65,675.60
  4. Step 4: Simplify right side
    113,393.24x = 10,278,353,556.62
  5. Step 5: Solve for x
    x = 10,278,353,556.62/113,393.24
  6. Step 6: Final answer
    x = 90,643.44

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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.