Home / 190,616.58-285,832.51-57,472.02

Finding the Fourth Proportional to 190,616.58, 285,832.51 and 57,472.02

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Solution

The fourth proportional to 190,616.58, 285,832.51 and 57,472.02 is: 86,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,616.58 : 285,832.51 = 57,472.02 : x
  2. Step 2: Convert to fraction form
    190,616.58/285,832.51 = 57,472.02/x
  3. Step 3: Cross multiply
    190,616.58x = 285,832.51 × 57,472.02
  4. Step 4: Simplify right side
    190,616.58x = 16,427,371,731.37
  5. Step 5: Solve for x
    x = 16,427,371,731.37/190,616.58
  6. Step 6: Final answer
    x = 86,180.18

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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.