Home / 110,427.12-165,420.36-51,182.64

Finding the Fourth Proportional to 110,427.12, 165,420.36 and 51,182.64

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Solution

The fourth proportional to 110,427.12, 165,420.36 and 51,182.64 is: 76,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,427.12 : 165,420.36 = 51,182.64 : x
  2. Step 2: Convert to fraction form
    110,427.12/165,420.36 = 51,182.64/x
  3. Step 3: Cross multiply
    110,427.12x = 165,420.36 × 51,182.64
  4. Step 4: Simplify right side
    110,427.12x = 8,466,650,734.55
  5. Step 5: Solve for x
    x = 8,466,650,734.55/110,427.12
  6. Step 6: Final answer
    x = 76,671.84

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1.5x scale

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.