Home / 108,101.45-149,186.95-60,354.79

Finding the Fourth Proportional to 108,101.45, 149,186.95 and 60,354.79

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Solution

The fourth proportional to 108,101.45, 149,186.95 and 60,354.79 is: 83,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,101.45 : 149,186.95 = 60,354.79 : x
  2. Step 2: Convert to fraction form
    108,101.45/149,186.95 = 60,354.79/x
  3. Step 3: Cross multiply
    108,101.45x = 149,186.95 × 60,354.79
  4. Step 4: Simplify right side
    108,101.45x = 9,004,146,514.14
  5. Step 5: Solve for x
    x = 9,004,146,514.14/108,101.45
  6. Step 6: Final answer
    x = 83,293.48

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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.