Home / 352,217.40-528,455.70-141,876.60

Finding the Fourth Proportional to 352,217.40, 528,455.70 and 141,876.60

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Solution

The fourth proportional to 352,217.40, 528,455.70 and 141,876.60 is: 212,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,217.40 : 528,455.70 = 141,876.60 : x
  2. Step 2: Convert to fraction form
    352,217.40/528,455.70 = 141,876.60/x
  3. Step 3: Cross multiply
    352,217.40x = 528,455.70 × 141,876.60
  4. Step 4: Simplify right side
    352,217.40x = 74,975,497,966.62
  5. Step 5: Solve for x
    x = 74,975,497,966.62/352,217.40
  6. Step 6: Final answer
    x = 212,867.10

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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.