Home / 319,085.33-440,331.87-173,892.27

Finding the Fourth Proportional to 319,085.33, 440,331.87 and 173,892.27

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Solution

The fourth proportional to 319,085.33, 440,331.87 and 173,892.27 is: 239,968.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,085.33 : 440,331.87 = 173,892.27 : x
  2. Step 2: Convert to fraction form
    319,085.33/440,331.87 = 173,892.27/x
  3. Step 3: Cross multiply
    319,085.33x = 440,331.87 × 173,892.27
  4. Step 4: Simplify right side
    319,085.33x = 76,570,310,551.52
  5. Step 5: Solve for x
    x = 76,570,310,551.52/319,085.33
  6. Step 6: Final answer
    x = 239,968.14

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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.