Home / 147,629.52-203,727.60-83,967.24

Finding the Fourth Proportional to 147,629.52, 203,727.60 and 83,967.24

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Solution

The fourth proportional to 147,629.52, 203,727.60 and 83,967.24 is: 115,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,629.52 : 203,727.60 = 83,967.24 : x
  2. Step 2: Convert to fraction form
    147,629.52/203,727.60 = 83,967.24/x
  3. Step 3: Cross multiply
    147,629.52x = 203,727.60 × 83,967.24
  4. Step 4: Simplify right side
    147,629.52x = 17,106,444,283.82
  5. Step 5: Solve for x
    x = 17,106,444,283.82/147,629.52
  6. Step 6: Final answer
    x = 115,874.14

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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.