Home / 190,781.78-286,178.76-95,960.18

Finding the Fourth Proportional to 190,781.78, 286,178.76 and 95,960.18

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Solution

The fourth proportional to 190,781.78, 286,178.76 and 95,960.18 is: 143,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,781.78 : 286,178.76 = 95,960.18 : x
  2. Step 2: Convert to fraction form
    190,781.78/286,178.76 = 95,960.18/x
  3. Step 3: Cross multiply
    190,781.78x = 286,178.76 × 95,960.18
  4. Step 4: Simplify right side
    190,781.78x = 27,461,766,107.09
  5. Step 5: Solve for x
    x = 27,461,766,107.09/190,781.78
  6. Step 6: Final answer
    x = 143,943.34

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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.