Home / 151,910.23-209,636.11-84,842.23

Finding the Fourth Proportional to 151,910.23, 209,636.11 and 84,842.23

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Solution

The fourth proportional to 151,910.23, 209,636.11 and 84,842.23 is: 117,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,910.23 : 209,636.11 = 84,842.23 : x
  2. Step 2: Convert to fraction form
    151,910.23/209,636.11 = 84,842.23/x
  3. Step 3: Cross multiply
    151,910.23x = 209,636.11 × 84,842.23
  4. Step 4: Simplify right side
    151,910.23x = 17,785,995,060.93
  5. Step 5: Solve for x
    x = 17,785,995,060.93/151,910.23
  6. Step 6: Final answer
    x = 117,082.27

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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.