Home / 319,518.80-440,935.98-176,279.18

Finding the Fourth Proportional to 319,518.80, 440,935.98 and 176,279.18

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Solution

The fourth proportional to 319,518.80, 440,935.98 and 176,279.18 is: 243,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,518.80 : 440,935.98 = 176,279.18 : x
  2. Step 2: Convert to fraction form
    319,518.80/440,935.98 = 176,279.18/x
  3. Step 3: Cross multiply
    319,518.80x = 440,935.98 × 176,279.18
  4. Step 4: Simplify right side
    319,518.80x = 77,727,832,986.90
  5. Step 5: Solve for x
    x = 77,727,832,986.90/319,518.80
  6. Step 6: Final answer
    x = 243,265.29

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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.