Home / 352,004.40-528,006.60-155,396.40

Finding the Fourth Proportional to 352,004.40, 528,006.60 and 155,396.40

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Solution

The fourth proportional to 352,004.40, 528,006.60 and 155,396.40 is: 233,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,004.40 : 528,006.60 = 155,396.40 : x
  2. Step 2: Convert to fraction form
    352,004.40/528,006.60 = 155,396.40/x
  3. Step 3: Cross multiply
    352,004.40x = 528,006.60 × 155,396.40
  4. Step 4: Simplify right side
    352,004.40x = 82,050,324,816.24
  5. Step 5: Solve for x
    x = 82,050,324,816.24/352,004.40
  6. Step 6: Final answer
    x = 233,094.60

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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.