Home / 352,664.40-528,996.60-103,346.40

Finding the Fourth Proportional to 352,664.40, 528,996.60 and 103,346.40

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Solution

The fourth proportional to 352,664.40, 528,996.60 and 103,346.40 is: 155,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,664.40 : 528,996.60 = 103,346.40 : x
  2. Step 2: Convert to fraction form
    352,664.40/528,996.60 = 103,346.40/x
  3. Step 3: Cross multiply
    352,664.40x = 528,996.60 × 103,346.40
  4. Step 4: Simplify right side
    352,664.40x = 54,669,894,222.24
  5. Step 5: Solve for x
    x = 54,669,894,222.24/352,664.40
  6. Step 6: Final answer
    x = 155,019.60

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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.