Home / 243,043.24-364,575.78-74,551.30

Finding the Fourth Proportional to 243,043.24, 364,575.78 and 74,551.30

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Solution

The fourth proportional to 243,043.24, 364,575.78 and 74,551.30 is: 111,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,043.24 : 364,575.78 = 74,551.30 : x
  2. Step 2: Convert to fraction form
    243,043.24/364,575.78 = 74,551.30/x
  3. Step 3: Cross multiply
    243,043.24x = 364,575.78 × 74,551.30
  4. Step 4: Simplify right side
    243,043.24x = 27,179,598,347.51
  5. Step 5: Solve for x
    x = 27,179,598,347.51/243,043.24
  6. Step 6: Final answer
    x = 111,830.30

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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.