Home / 190,218.24-285,010.56-123,575.04

Finding the Fourth Proportional to 190,218.24, 285,010.56 and 123,575.04

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Solution

The fourth proportional to 190,218.24, 285,010.56 and 123,575.04 is: 185,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,218.24 : 285,010.56 = 123,575.04 : x
  2. Step 2: Convert to fraction form
    190,218.24/285,010.56 = 123,575.04/x
  3. Step 3: Cross multiply
    190,218.24x = 285,010.56 × 123,575.04
  4. Step 4: Simplify right side
    190,218.24x = 35,220,191,352.42
  5. Step 5: Solve for x
    x = 35,220,191,352.42/190,218.24
  6. Step 6: Final answer
    x = 185,156.75

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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.