Home / 145,936.16-201,389.22-82,274.03

Finding the Fourth Proportional to 145,936.16, 201,389.22 and 82,274.03

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Solution

The fourth proportional to 145,936.16, 201,389.22 and 82,274.03 is: 113,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,936.16 : 201,389.22 = 82,274.03 : x
  2. Step 2: Convert to fraction form
    145,936.16/201,389.22 = 82,274.03/x
  3. Step 3: Cross multiply
    145,936.16x = 201,389.22 × 82,274.03
  4. Step 4: Simplify right side
    145,936.16x = 16,569,101,721.01
  5. Step 5: Solve for x
    x = 16,569,101,721.01/145,936.16
  6. Step 6: Final answer
    x = 113,536.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.