Home / 190,682.33-285,820.51-90,631.18

Finding the Fourth Proportional to 190,682.33, 285,820.51 and 90,631.18

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Solution

The fourth proportional to 190,682.33, 285,820.51 and 90,631.18 is: 135,850.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,682.33 : 285,820.51 = 90,631.18 : x
  2. Step 2: Convert to fraction form
    190,682.33/285,820.51 = 90,631.18/x
  3. Step 3: Cross multiply
    190,682.33x = 285,820.51 × 90,631.18
  4. Step 4: Simplify right side
    190,682.33x = 25,904,249,713.71
  5. Step 5: Solve for x
    x = 25,904,249,713.71/190,682.33
  6. Step 6: Final answer
    x = 135,850.29

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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.