Home / 201,530.16-302,097.96-75,077.64

Finding the Fourth Proportional to 201,530.16, 302,097.96 and 75,077.64

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Solution

The fourth proportional to 201,530.16, 302,097.96 and 75,077.64 is: 112,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,530.16 : 302,097.96 = 75,077.64 : x
  2. Step 2: Convert to fraction form
    201,530.16/302,097.96 = 75,077.64/x
  3. Step 3: Cross multiply
    201,530.16x = 302,097.96 × 75,077.64
  4. Step 4: Simplify right side
    201,530.16x = 22,680,801,885.61
  5. Step 5: Solve for x
    x = 22,680,801,885.61/201,530.16
  6. Step 6: Final answer
    x = 112,542.97

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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.