Home / 190,244.66-285,410.72-57,127.43

Finding the Fourth Proportional to 190,244.66, 285,410.72 and 57,127.43

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Solution

The fourth proportional to 190,244.66, 285,410.72 and 57,127.43 is: 85,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,244.66 : 285,410.72 = 57,127.43 : x
  2. Step 2: Convert to fraction form
    190,244.66/285,410.72 = 57,127.43/x
  3. Step 3: Cross multiply
    190,244.66x = 285,410.72 × 57,127.43
  4. Step 4: Simplify right side
    190,244.66x = 16,304,780,642.41
  5. Step 5: Solve for x
    x = 16,304,780,642.41/190,244.66
  6. Step 6: Final answer
    x = 85,704.28

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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.