Home / 198,412.02-273,794.43-112,346.28

Finding the Fourth Proportional to 198,412.02, 273,794.43 and 112,346.28

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Solution

The fourth proportional to 198,412.02, 273,794.43 and 112,346.28 is: 155,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,412.02 : 273,794.43 = 112,346.28 : x
  2. Step 2: Convert to fraction form
    198,412.02/273,794.43 = 112,346.28/x
  3. Step 3: Cross multiply
    198,412.02x = 273,794.43 × 112,346.28
  4. Step 4: Simplify right side
    198,412.02x = 30,759,785,695.22
  5. Step 5: Solve for x
    x = 30,759,785,695.22/198,412.02
  6. Step 6: Final answer
    x = 155,029.85

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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.