Home / 141,361.32-195,106.99-83,989.60

Finding the Fourth Proportional to 141,361.32, 195,106.99 and 83,989.60

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Solution

The fourth proportional to 141,361.32, 195,106.99 and 83,989.60 is: 115,922.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,361.32 : 195,106.99 = 83,989.60 : x
  2. Step 2: Convert to fraction form
    141,361.32/195,106.99 = 83,989.60/x
  3. Step 3: Cross multiply
    141,361.32x = 195,106.99 × 83,989.60
  4. Step 4: Simplify right side
    141,361.32x = 16,386,958,047.30
  5. Step 5: Solve for x
    x = 16,386,958,047.30/141,361.32
  6. Step 6: Final answer
    x = 115,922.50

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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.