Home / 200,191.73-300,240.20-57,999.36

Finding the Fourth Proportional to 200,191.73, 300,240.20 and 57,999.36

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Solution

The fourth proportional to 200,191.73, 300,240.20 and 57,999.36 is: 86,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,191.73 : 300,240.20 = 57,999.36 : x
  2. Step 2: Convert to fraction form
    200,191.73/300,240.20 = 57,999.36/x
  3. Step 3: Cross multiply
    200,191.73x = 300,240.20 × 57,999.36
  4. Step 4: Simplify right side
    200,191.73x = 17,413,740,717.17
  5. Step 5: Solve for x
    x = 17,413,740,717.17/200,191.73
  6. Step 6: Final answer
    x = 86,985.32

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1.5x scale

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.