Home / 284,331.36-426,354.48-94,725.12

Finding the Fourth Proportional to 284,331.36, 426,354.48 and 94,725.12

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Solution

The fourth proportional to 284,331.36, 426,354.48 and 94,725.12 is: 142,040.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,331.36 : 426,354.48 = 94,725.12 : x
  2. Step 2: Convert to fraction form
    284,331.36/426,354.48 = 94,725.12/x
  3. Step 3: Cross multiply
    284,331.36x = 426,354.48 × 94,725.12
  4. Step 4: Simplify right side
    284,331.36x = 40,386,479,280.54
  5. Step 5: Solve for x
    x = 40,386,479,280.54/284,331.36
  6. Step 6: Final answer
    x = 142,040.19

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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.