Home / 141,812.57-195,698.79-77,282.37

Finding the Fourth Proportional to 141,812.57, 195,698.79 and 77,282.37

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Solution

The fourth proportional to 141,812.57, 195,698.79 and 77,282.37 is: 106,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,812.57 : 195,698.79 = 77,282.37 : x
  2. Step 2: Convert to fraction form
    141,812.57/195,698.79 = 77,282.37/x
  3. Step 3: Cross multiply
    141,812.57x = 195,698.79 × 77,282.37
  4. Step 4: Simplify right side
    141,812.57x = 15,124,066,297.33
  5. Step 5: Solve for x
    x = 15,124,066,297.33/141,812.57
  6. Step 6: Final answer
    x = 106,648.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.