Home / 147,055.56-202,936.65-83,393.36

Finding the Fourth Proportional to 147,055.56, 202,936.65 and 83,393.36

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Solution

The fourth proportional to 147,055.56, 202,936.65 and 83,393.36 is: 115,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,055.56 : 202,936.65 = 83,393.36 : x
  2. Step 2: Convert to fraction form
    147,055.56/202,936.65 = 83,393.36/x
  3. Step 3: Cross multiply
    147,055.56x = 202,936.65 × 83,393.36
  4. Step 4: Simplify right side
    147,055.56x = 16,923,569,617.99
  5. Step 5: Solve for x
    x = 16,923,569,617.99/147,055.56
  6. Step 6: Final answer
    x = 115,082.83

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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.