Home / 190,711.36-286,067.28-66,052.36

Finding the Fourth Proportional to 190,711.36, 286,067.28 and 66,052.36

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Solution

The fourth proportional to 190,711.36, 286,067.28 and 66,052.36 is: 99,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,711.36 : 286,067.28 = 66,052.36 : x
  2. Step 2: Convert to fraction form
    190,711.36/286,067.28 = 66,052.36/x
  3. Step 3: Cross multiply
    190,711.36x = 286,067.28 × 66,052.36
  4. Step 4: Simplify right side
    190,711.36x = 18,895,418,962.78
  5. Step 5: Solve for x
    x = 18,895,418,962.78/190,711.36
  6. Step 6: Final answer
    x = 99,078.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.