Home / 190,202.06-285,306.33-71,929.10

Finding the Fourth Proportional to 190,202.06, 285,306.33 and 71,929.10

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Solution

The fourth proportional to 190,202.06, 285,306.33 and 71,929.10 is: 107,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,202.06 : 285,306.33 = 71,929.10 : x
  2. Step 2: Convert to fraction form
    190,202.06/285,306.33 = 71,929.10/x
  3. Step 3: Cross multiply
    190,202.06x = 285,306.33 × 71,929.10
  4. Step 4: Simplify right side
    190,202.06x = 20,521,827,541.20
  5. Step 5: Solve for x
    x = 20,521,827,541.20/190,202.06
  6. Step 6: Final answer
    x = 107,894.88

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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.