Home / 201,541.28-302,301.95-75,171.67

Finding the Fourth Proportional to 201,541.28, 302,301.95 and 75,171.67

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Solution

The fourth proportional to 201,541.28, 302,301.95 and 75,171.67 is: 112,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,541.28 : 302,301.95 = 75,171.67 : x
  2. Step 2: Convert to fraction form
    201,541.28/302,301.95 = 75,171.67/x
  3. Step 3: Cross multiply
    201,541.28x = 302,301.95 × 75,171.67
  4. Step 4: Simplify right side
    201,541.28x = 22,724,541,294.14
  5. Step 5: Solve for x
    x = 22,724,541,294.14/201,541.28
  6. Step 6: Final answer
    x = 112,753.78

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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.