Home / 204,001.10-306,066.45-91,637.90

Finding the Fourth Proportional to 204,001.10, 306,066.45 and 91,637.90

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Solution

The fourth proportional to 204,001.10, 306,066.45 and 91,637.90 is: 137,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,001.10 : 306,066.45 = 91,637.90 : x
  2. Step 2: Convert to fraction form
    204,001.10/306,066.45 = 91,637.90/x
  3. Step 3: Cross multiply
    204,001.10x = 306,066.45 × 91,637.90
  4. Step 4: Simplify right side
    204,001.10x = 28,047,286,738.46
  5. Step 5: Solve for x
    x = 28,047,286,738.46/204,001.10
  6. Step 6: Final answer
    x = 137,485.96

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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.