Home / 108,154.78-149,252.04-60,408.82

Finding the Fourth Proportional to 108,154.78, 149,252.04 and 60,408.82

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Solution

The fourth proportional to 108,154.78, 149,252.04 and 60,408.82 is: 83,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,154.78 : 149,252.04 = 60,408.82 : x
  2. Step 2: Convert to fraction form
    108,154.78/149,252.04 = 60,408.82/x
  3. Step 3: Cross multiply
    108,154.78x = 149,252.04 × 60,408.82
  4. Step 4: Simplify right side
    108,154.78x = 9,016,139,618.99
  5. Step 5: Solve for x
    x = 9,016,139,618.99/108,154.78
  6. Step 6: Final answer
    x = 83,363.30

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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.