Home / 319,549.92-440,992.23-176,319.24

Finding the Fourth Proportional to 319,549.92, 440,992.23 and 176,319.24

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Solution

The fourth proportional to 319,549.92, 440,992.23 and 176,319.24 is: 243,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,549.92 : 440,992.23 = 176,319.24 : x
  2. Step 2: Convert to fraction form
    319,549.92/440,992.23 = 176,319.24/x
  3. Step 3: Cross multiply
    319,549.92x = 440,992.23 × 176,319.24
  4. Step 4: Simplify right side
    319,549.92x = 77,755,414,839.51
  5. Step 5: Solve for x
    x = 77,755,414,839.51/319,549.92
  6. Step 6: Final answer
    x = 243,327.91

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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.