Home / 319,475.07-440,876.83-176,233.05

Finding the Fourth Proportional to 319,475.07, 440,876.83 and 176,233.05

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Solution

The fourth proportional to 319,475.07, 440,876.83 and 176,233.05 is: 243,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,475.07 : 440,876.83 = 176,233.05 : x
  2. Step 2: Convert to fraction form
    319,475.07/440,876.83 = 176,233.05/x
  3. Step 3: Cross multiply
    319,475.07x = 440,876.83 × 176,233.05
  4. Step 4: Simplify right side
    319,475.07x = 77,697,069,968.01
  5. Step 5: Solve for x
    x = 77,697,069,968.01/319,475.07
  6. Step 6: Final answer
    x = 243,202.29

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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.