Home / 145,716.75-201,098.19-88,361.13

Finding the Fourth Proportional to 145,716.75, 201,098.19 and 88,361.13

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Solution

The fourth proportional to 145,716.75, 201,098.19 and 88,361.13 is: 121,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,716.75 : 201,098.19 = 88,361.13 : x
  2. Step 2: Convert to fraction form
    145,716.75/201,098.19 = 88,361.13/x
  3. Step 3: Cross multiply
    145,716.75x = 201,098.19 × 88,361.13
  4. Step 4: Simplify right side
    145,716.75x = 17,769,263,309.35
  5. Step 5: Solve for x
    x = 17,769,263,309.35/145,716.75
  6. Step 6: Final answer
    x = 121,943.86

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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.