Home / 319,551.24-440,982.14-176,311.20

Finding the Fourth Proportional to 319,551.24, 440,982.14 and 176,311.20

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Solution

The fourth proportional to 319,551.24, 440,982.14 and 176,311.20 is: 243,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,551.24 : 440,982.14 = 176,311.20 : x
  2. Step 2: Convert to fraction form
    319,551.24/440,982.14 = 176,311.20/x
  3. Step 3: Cross multiply
    319,551.24x = 440,982.14 × 176,311.20
  4. Step 4: Simplify right side
    319,551.24x = 77,750,090,281.97
  5. Step 5: Solve for x
    x = 77,750,090,281.97/319,551.24
  6. Step 6: Final answer
    x = 243,310.24

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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.