Home / 243,043.20-364,564.80-222,376.05

Finding the Fourth Proportional to 243,043.20, 364,564.80 and 222,376.05

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Solution

The fourth proportional to 243,043.20, 364,564.80 and 222,376.05 is: 333,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,043.20 : 364,564.80 = 222,376.05 : x
  2. Step 2: Convert to fraction form
    243,043.20/364,564.80 = 222,376.05/x
  3. Step 3: Cross multiply
    243,043.20x = 364,564.80 × 222,376.05
  4. Step 4: Simplify right side
    243,043.20x = 81,070,480,193.04
  5. Step 5: Solve for x
    x = 81,070,480,193.04/243,043.20
  6. Step 6: Final answer
    x = 333,564.08

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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.