Home / 141,812.97-195,701.94-77,282.23

Finding the Fourth Proportional to 141,812.97, 195,701.94 and 77,282.23

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Solution

The fourth proportional to 141,812.97, 195,701.94 and 77,282.23 is: 106,649.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,812.97 : 195,701.94 = 77,282.23 : x
  2. Step 2: Convert to fraction form
    141,812.97/195,701.94 = 77,282.23/x
  3. Step 3: Cross multiply
    141,812.97x = 195,701.94 × 77,282.23
  4. Step 4: Simplify right side
    141,812.97x = 15,124,281,360.02
  5. Step 5: Solve for x
    x = 15,124,281,360.02/141,812.97
  6. Step 6: Final answer
    x = 106,649.49

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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.