Home / 108,927.60-163,391.40-82,355.55

Finding the Fourth Proportional to 108,927.60, 163,391.40 and 82,355.55

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Solution

The fourth proportional to 108,927.60, 163,391.40 and 82,355.55 is: 123,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,927.60 : 163,391.40 = 82,355.55 : x
  2. Step 2: Convert to fraction form
    108,927.60/163,391.40 = 82,355.55/x
  3. Step 3: Cross multiply
    108,927.60x = 163,391.40 × 82,355.55
  4. Step 4: Simplify right side
    108,927.60x = 13,456,188,612.27
  5. Step 5: Solve for x
    x = 13,456,188,612.27/108,927.60
  6. Step 6: Final answer
    x = 123,533.33

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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.