Home / 279,174.12-385,394.13-171,836.16

Finding the Fourth Proportional to 279,174.12, 385,394.13 and 171,836.16

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Solution

The fourth proportional to 279,174.12, 385,394.13 and 171,836.16 is: 237,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,174.12 : 385,394.13 = 171,836.16 : x
  2. Step 2: Convert to fraction form
    279,174.12/385,394.13 = 171,836.16/x
  3. Step 3: Cross multiply
    279,174.12x = 385,394.13 × 171,836.16
  4. Step 4: Simplify right side
    279,174.12x = 66,224,647,385.74
  5. Step 5: Solve for x
    x = 66,224,647,385.74/279,174.12
  6. Step 6: Final answer
    x = 237,216.28

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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.