Home / 352,253.05-528,442.75-165,259.69

Finding the Fourth Proportional to 352,253.05, 528,442.75 and 165,259.69

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Solution

The fourth proportional to 352,253.05, 528,442.75 and 165,259.69 is: 247,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,253.05 : 528,442.75 = 165,259.69 : x
  2. Step 2: Convert to fraction form
    352,253.05/528,442.75 = 165,259.69/x
  3. Step 3: Cross multiply
    352,253.05x = 528,442.75 × 165,259.69
  4. Step 4: Simplify right side
    352,253.05x = 87,330,283,933.22
  5. Step 5: Solve for x
    x = 87,330,283,933.22/352,253.05
  6. Step 6: Final answer
    x = 247,919.17

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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.