Home / 281,200.46-388,056.66-153,876.07

Finding the Fourth Proportional to 281,200.46, 388,056.66 and 153,876.07

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Solution

The fourth proportional to 281,200.46, 388,056.66 and 153,876.07 is: 212,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,200.46 : 388,056.66 = 153,876.07 : x
  2. Step 2: Convert to fraction form
    281,200.46/388,056.66 = 153,876.07/x
  3. Step 3: Cross multiply
    281,200.46x = 388,056.66 × 153,876.07
  4. Step 4: Simplify right side
    281,200.46x = 59,712,633,778.13
  5. Step 5: Solve for x
    x = 59,712,633,778.13/281,200.46
  6. Step 6: Final answer
    x = 212,348.99

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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.