Home / 189,317.28-261,261.06-122,365.92

Finding the Fourth Proportional to 189,317.28, 261,261.06 and 122,365.92

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Solution

The fourth proportional to 189,317.28, 261,261.06 and 122,365.92 is: 168,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,317.28 : 261,261.06 = 122,365.92 : x
  2. Step 2: Convert to fraction form
    189,317.28/261,261.06 = 122,365.92/x
  3. Step 3: Cross multiply
    189,317.28x = 261,261.06 × 122,365.92
  4. Step 4: Simplify right side
    189,317.28x = 31,969,449,967.08
  5. Step 5: Solve for x
    x = 31,969,449,967.08/189,317.28
  6. Step 6: Final answer
    x = 168,867.05

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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.