Home / 309,480.05-464,353.71-167,425.40

Finding the Fourth Proportional to 309,480.05, 464,353.71 and 167,425.40

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Solution

The fourth proportional to 309,480.05, 464,353.71 and 167,425.40 is: 251,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,480.05 : 464,353.71 = 167,425.40 : x
  2. Step 2: Convert to fraction form
    309,480.05/464,353.71 = 167,425.40/x
  3. Step 3: Cross multiply
    309,480.05x = 464,353.71 × 167,425.40
  4. Step 4: Simplify right side
    309,480.05x = 77,744,603,388.17
  5. Step 5: Solve for x
    x = 77,744,603,388.17/309,480.05
  6. Step 6: Final answer
    x = 251,210.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.