Home / 234,082.50-350,976.13-128,975.28

Finding the Fourth Proportional to 234,082.50, 350,976.13 and 128,975.28

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Solution

The fourth proportional to 234,082.50, 350,976.13 and 128,975.28 is: 193,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,082.50 : 350,976.13 = 128,975.28 : x
  2. Step 2: Convert to fraction form
    234,082.50/350,976.13 = 128,975.28/x
  3. Step 3: Cross multiply
    234,082.50x = 350,976.13 × 128,975.28
  4. Step 4: Simplify right side
    234,082.50x = 45,267,243,995.19
  5. Step 5: Solve for x
    x = 45,267,243,995.19/234,082.50
  6. Step 6: Final answer
    x = 193,381.58

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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.