Home / 197,301.64-272,290.16-111,268.32

Finding the Fourth Proportional to 197,301.64, 272,290.16 and 111,268.32

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Solution

The fourth proportional to 197,301.64, 272,290.16 and 111,268.32 is: 153,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,301.64 : 272,290.16 = 111,268.32 : x
  2. Step 2: Convert to fraction form
    197,301.64/272,290.16 = 111,268.32/x
  3. Step 3: Cross multiply
    197,301.64x = 272,290.16 × 111,268.32
  4. Step 4: Simplify right side
    197,301.64x = 30,297,268,655.73
  5. Step 5: Solve for x
    x = 30,297,268,655.73/197,301.64
  6. Step 6: Final answer
    x = 153,558.12

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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.