Home / 352,022.10-528,033.15-127,382.10

Finding the Fourth Proportional to 352,022.10, 528,033.15 and 127,382.10

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Solution

The fourth proportional to 352,022.10, 528,033.15 and 127,382.10 is: 191,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,022.10 : 528,033.15 = 127,382.10 : x
  2. Step 2: Convert to fraction form
    352,022.10/528,033.15 = 127,382.10/x
  3. Step 3: Cross multiply
    352,022.10x = 528,033.15 × 127,382.10
  4. Step 4: Simplify right side
    352,022.10x = 67,261,971,516.62
  5. Step 5: Solve for x
    x = 67,261,971,516.62/352,022.10
  6. Step 6: Final answer
    x = 191,073.15

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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.