Home / 190,621.01-285,839.15-57,476.45

Finding the Fourth Proportional to 190,621.01, 285,839.15 and 57,476.45

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Solution

The fourth proportional to 190,621.01, 285,839.15 and 57,476.45 is: 86,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,621.01 : 285,839.15 = 57,476.45 : x
  2. Step 2: Convert to fraction form
    190,621.01/285,839.15 = 57,476.45/x
  3. Step 3: Cross multiply
    190,621.01x = 285,839.15 × 57,476.45
  4. Step 4: Simplify right side
    190,621.01x = 16,429,020,040.23
  5. Step 5: Solve for x
    x = 16,429,020,040.23/190,621.01
  6. Step 6: Final answer
    x = 86,186.83

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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.