Home / 147,918.24-204,145.14-83,399.91

Finding the Fourth Proportional to 147,918.24, 204,145.14 and 83,399.91

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Solution

The fourth proportional to 147,918.24, 204,145.14 and 83,399.91 is: 115,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,918.24 : 204,145.14 = 83,399.91 : x
  2. Step 2: Convert to fraction form
    147,918.24/204,145.14 = 83,399.91/x
  3. Step 3: Cross multiply
    147,918.24x = 204,145.14 × 83,399.91
  4. Step 4: Simplify right side
    147,918.24x = 17,025,686,302.94
  5. Step 5: Solve for x
    x = 17,025,686,302.94/147,918.24
  6. Step 6: Final answer
    x = 115,102.01

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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.