Home / 309,981.39-464,539.08-167,519.53

Finding the Fourth Proportional to 309,981.39, 464,539.08 and 167,519.53

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Solution

The fourth proportional to 309,981.39, 464,539.08 and 167,519.53 is: 251,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,981.39 : 464,539.08 = 167,519.53 : x
  2. Step 2: Convert to fraction form
    309,981.39/464,539.08 = 167,519.53/x
  3. Step 3: Cross multiply
    309,981.39x = 464,539.08 × 167,519.53
  4. Step 4: Simplify right side
    309,981.39x = 77,819,367,490.40
  5. Step 5: Solve for x
    x = 77,819,367,490.40/309,981.39
  6. Step 6: Final answer
    x = 251,045.29

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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.