Home / 204,477.80-306,740.22-99,220.52

Finding the Fourth Proportional to 204,477.80, 306,740.22 and 99,220.52

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Solution

The fourth proportional to 204,477.80, 306,740.22 and 99,220.52 is: 148,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,477.80 : 306,740.22 = 99,220.52 : x
  2. Step 2: Convert to fraction form
    204,477.80/306,740.22 = 99,220.52/x
  3. Step 3: Cross multiply
    204,477.80x = 306,740.22 × 99,220.52
  4. Step 4: Simplify right side
    204,477.80x = 30,434,924,133.31
  5. Step 5: Solve for x
    x = 30,434,924,133.31/204,477.80
  6. Step 6: Final answer
    x = 148,842.19

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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.