Home / 352,215.40-528,452.70-141,874.60

Finding the Fourth Proportional to 352,215.40, 528,452.70 and 141,874.60

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Solution

The fourth proportional to 352,215.40, 528,452.70 and 141,874.60 is: 212,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,215.40 : 528,452.70 = 141,874.60 : x
  2. Step 2: Convert to fraction form
    352,215.40/528,452.70 = 141,874.60/x
  3. Step 3: Cross multiply
    352,215.40x = 528,452.70 × 141,874.60
  4. Step 4: Simplify right side
    352,215.40x = 74,974,015,431.42
  5. Step 5: Solve for x
    x = 74,974,015,431.42/352,215.40
  6. Step 6: Final answer
    x = 212,864.10

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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.