Home / 108,480.38-149,597.74-84,598.34

Finding the Fourth Proportional to 108,480.38, 149,597.74 and 84,598.34

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Solution

The fourth proportional to 108,480.38, 149,597.74 and 84,598.34 is: 116,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,480.38 : 149,597.74 = 84,598.34 : x
  2. Step 2: Convert to fraction form
    108,480.38/149,597.74 = 84,598.34/x
  3. Step 3: Cross multiply
    108,480.38x = 149,597.74 × 84,598.34
  4. Step 4: Simplify right side
    108,480.38x = 12,655,720,471.75
  5. Step 5: Solve for x
    x = 12,655,720,471.75/108,480.38
  6. Step 6: Final answer
    x = 116,663.68

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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.