Home / 108,179.73-149,281.47-59,780.57

Finding the Fourth Proportional to 108,179.73, 149,281.47 and 59,780.57

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Solution

The fourth proportional to 108,179.73, 149,281.47 and 59,780.57 is: 82,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,179.73 : 149,281.47 = 59,780.57 : x
  2. Step 2: Convert to fraction form
    108,179.73/149,281.47 = 59,780.57/x
  3. Step 3: Cross multiply
    108,179.73x = 149,281.47 × 59,780.57
  4. Step 4: Simplify right side
    108,179.73x = 8,924,130,620.63
  5. Step 5: Solve for x
    x = 8,924,130,620.63/108,179.73
  6. Step 6: Final answer
    x = 82,493.56

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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.