Home / 223,928.20-309,084.42-147,503.08

Finding the Fourth Proportional to 223,928.20, 309,084.42 and 147,503.08

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Solution

The fourth proportional to 223,928.20, 309,084.42 and 147,503.08 is: 203,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,928.20 : 309,084.42 = 147,503.08 : x
  2. Step 2: Convert to fraction form
    223,928.20/309,084.42 = 147,503.08/x
  3. Step 3: Cross multiply
    223,928.20x = 309,084.42 × 147,503.08
  4. Step 4: Simplify right side
    223,928.20x = 45,590,903,930.01
  5. Step 5: Solve for x
    x = 45,590,903,930.01/223,928.20
  6. Step 6: Final answer
    x = 203,596.08

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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.