Home / 192,644.48-288,917-57,681.92

Finding the Fourth Proportional to 192,644.48, 288,917 and 57,681.92

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Solution

The fourth proportional to 192,644.48, 288,917 and 57,681.92 is: 86,507.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,644.48 : 288,917 = 57,681.92 : x
  2. Step 2: Convert to fraction form
    192,644.48/288,917 = 57,681.92/x
  3. Step 3: Cross multiply
    192,644.48x = 288,917 × 57,681.92
  4. Step 4: Simplify right side
    192,644.48x = 16,665,287,280.64
  5. Step 5: Solve for x
    x = 16,665,287,280.64/192,644.48
  6. Step 6: Final answer
    x = 86,507.99

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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.