Home / 190,554.35-285,844.89-57,435.71

Finding the Fourth Proportional to 190,554.35, 285,844.89 and 57,435.71

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Solution

The fourth proportional to 190,554.35, 285,844.89 and 57,435.71 is: 86,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,554.35 : 285,844.89 = 57,435.71 : x
  2. Step 2: Convert to fraction form
    190,554.35/285,844.89 = 57,435.71/x
  3. Step 3: Cross multiply
    190,554.35x = 285,844.89 × 57,435.71
  4. Step 4: Simplify right side
    190,554.35x = 16,417,704,207.02
  5. Step 5: Solve for x
    x = 16,417,704,207.02/190,554.35
  6. Step 6: Final answer
    x = 86,157.59

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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.