Home / 351,148.28-484,581.06-189,999.80

Finding the Fourth Proportional to 351,148.28, 484,581.06 and 189,999.80

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Solution

The fourth proportional to 351,148.28, 484,581.06 and 189,999.80 is: 262,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,148.28 : 484,581.06 = 189,999.80 : x
  2. Step 2: Convert to fraction form
    351,148.28/484,581.06 = 189,999.80/x
  3. Step 3: Cross multiply
    351,148.28x = 484,581.06 × 189,999.80
  4. Step 4: Simplify right side
    351,148.28x = 92,070,304,483.79
  5. Step 5: Solve for x
    x = 92,070,304,483.79/351,148.28
  6. Step 6: Final answer
    x = 262,197.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.