Home / 197,971.16-273,200.28-107,327.12

Finding the Fourth Proportional to 197,971.16, 273,200.28 and 107,327.12

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Solution

The fourth proportional to 197,971.16, 273,200.28 and 107,327.12 is: 148,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,971.16 : 273,200.28 = 107,327.12 : x
  2. Step 2: Convert to fraction form
    197,971.16/273,200.28 = 107,327.12/x
  3. Step 3: Cross multiply
    197,971.16x = 273,200.28 × 107,327.12
  4. Step 4: Simplify right side
    197,971.16x = 29,321,799,235.59
  5. Step 5: Solve for x
    x = 29,321,799,235.59/197,971.16
  6. Step 6: Final answer
    x = 148,111.47

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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.