Home / 190,095.90-285,057.45-84,860.70

Finding the Fourth Proportional to 190,095.90, 285,057.45 and 84,860.70

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Solution

The fourth proportional to 190,095.90, 285,057.45 and 84,860.70 is: 127,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,095.90 : 285,057.45 = 84,860.70 : x
  2. Step 2: Convert to fraction form
    190,095.90/285,057.45 = 84,860.70/x
  3. Step 3: Cross multiply
    190,095.90x = 285,057.45 × 84,860.70
  4. Step 4: Simplify right side
    190,095.90x = 24,190,174,747.22
  5. Step 5: Solve for x
    x = 24,190,174,747.22/190,095.90
  6. Step 6: Final answer
    x = 127,252.48

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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.