Home / 190,316.48-285,489.44-57,186.24

Finding the Fourth Proportional to 190,316.48, 285,489.44 and 57,186.24

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Solution

The fourth proportional to 190,316.48, 285,489.44 and 57,186.24 is: 85,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,316.48 : 285,489.44 = 57,186.24 : x
  2. Step 2: Convert to fraction form
    190,316.48/285,489.44 = 57,186.24/x
  3. Step 3: Cross multiply
    190,316.48x = 285,489.44 × 57,186.24
  4. Step 4: Simplify right side
    190,316.48x = 16,326,067,633.31
  5. Step 5: Solve for x
    x = 16,326,067,633.31/190,316.48
  6. Step 6: Final answer
    x = 85,783.78

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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.