Home / 201,869.06-302,839.23-83,474.10

Finding the Fourth Proportional to 201,869.06, 302,839.23 and 83,474.10

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Solution

The fourth proportional to 201,869.06, 302,839.23 and 83,474.10 is: 125,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,869.06 : 302,839.23 = 83,474.10 : x
  2. Step 2: Convert to fraction form
    201,869.06/302,839.23 = 83,474.10/x
  3. Step 3: Cross multiply
    201,869.06x = 302,839.23 × 83,474.10
  4. Step 4: Simplify right side
    201,869.06x = 25,279,232,168.94
  5. Step 5: Solve for x
    x = 25,279,232,168.94/201,869.06
  6. Step 6: Final answer
    x = 125,225.89

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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.