Home / 110,346.16-165,420.80-91,778.52

Finding the Fourth Proportional to 110,346.16, 165,420.80 and 91,778.52

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Solution

The fourth proportional to 110,346.16, 165,420.80 and 91,778.52 is: 137,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,346.16 : 165,420.80 = 91,778.52 : x
  2. Step 2: Convert to fraction form
    110,346.16/165,420.80 = 91,778.52/x
  3. Step 3: Cross multiply
    110,346.16x = 165,420.80 × 91,778.52
  4. Step 4: Simplify right side
    110,346.16x = 15,182,076,201.22
  5. Step 5: Solve for x
    x = 15,182,076,201.22/110,346.16
  6. Step 6: Final answer
    x = 137,585.90

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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.