Home / 141,895.44-195,809.04-81,424.08

Finding the Fourth Proportional to 141,895.44, 195,809.04 and 81,424.08

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Solution

The fourth proportional to 141,895.44, 195,809.04 and 81,424.08 is: 112,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,895.44 : 195,809.04 = 81,424.08 : x
  2. Step 2: Convert to fraction form
    141,895.44/195,809.04 = 81,424.08/x
  3. Step 3: Cross multiply
    141,895.44x = 195,809.04 × 81,424.08
  4. Step 4: Simplify right side
    141,895.44x = 15,943,570,937.68
  5. Step 5: Solve for x
    x = 15,943,570,937.68/141,895.44
  6. Step 6: Final answer
    x = 112,361.40

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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.