Home / 104,608.20-144,392.34-66,882.60

Finding the Fourth Proportional to 104,608.20, 144,392.34 and 66,882.60

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Solution

The fourth proportional to 104,608.20, 144,392.34 and 66,882.60 is: 92,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,608.20 : 144,392.34 = 66,882.60 : x
  2. Step 2: Convert to fraction form
    104,608.20/144,392.34 = 66,882.60/x
  3. Step 3: Cross multiply
    104,608.20x = 144,392.34 × 66,882.60
  4. Step 4: Simplify right side
    104,608.20x = 9,657,335,119.28
  5. Step 5: Solve for x
    x = 9,657,335,119.28/104,608.20
  6. Step 6: Final answer
    x = 92,319.10

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1.5x scale

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.