Home / 279,394.14-385,572.27-172,026.12

Finding the Fourth Proportional to 279,394.14, 385,572.27 and 172,026.12

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Solution

The fourth proportional to 279,394.14, 385,572.27 and 172,026.12 is: 237,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,394.14 : 385,572.27 = 172,026.12 : x
  2. Step 2: Convert to fraction form
    279,394.14/385,572.27 = 172,026.12/x
  3. Step 3: Cross multiply
    279,394.14x = 385,572.27 × 172,026.12
  4. Step 4: Simplify right side
    279,394.14x = 66,328,501,587.69
  5. Step 5: Solve for x
    x = 66,328,501,587.69/279,394.14
  6. Step 6: Final answer
    x = 237,401.19

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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.