Home / 142,033.70-195,923.85-91,028.32

Finding the Fourth Proportional to 142,033.70, 195,923.85 and 91,028.32

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Solution

The fourth proportional to 142,033.70, 195,923.85 and 91,028.32 is: 125,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,033.70 : 195,923.85 = 91,028.32 : x
  2. Step 2: Convert to fraction form
    142,033.70/195,923.85 = 91,028.32/x
  3. Step 3: Cross multiply
    142,033.70x = 195,923.85 × 91,028.32
  4. Step 4: Simplify right side
    142,033.70x = 17,834,618,913.43
  5. Step 5: Solve for x
    x = 17,834,618,913.43/142,033.70
  6. Step 6: Final answer
    x = 125,566.11

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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.