Home / 147,584.12-203,665.12-83,921.92

Finding the Fourth Proportional to 147,584.12, 203,665.12 and 83,921.92

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Solution

The fourth proportional to 147,584.12, 203,665.12 and 83,921.92 is: 115,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,584.12 : 203,665.12 = 83,921.92 : x
  2. Step 2: Convert to fraction form
    147,584.12/203,665.12 = 83,921.92/x
  3. Step 3: Cross multiply
    147,584.12x = 203,665.12 × 83,921.92
  4. Step 4: Simplify right side
    147,584.12x = 17,091,967,907.43
  5. Step 5: Solve for x
    x = 17,091,967,907.43/147,584.12
  6. Step 6: Final answer
    x = 115,811.70

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1.5x scale

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.