Home / 101,268.32-151,867.28-56,358.20

Finding the Fourth Proportional to 101,268.32, 151,867.28 and 56,358.20

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Solution

The fourth proportional to 101,268.32, 151,867.28 and 56,358.20 is: 84,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,268.32 : 151,867.28 = 56,358.20 : x
  2. Step 2: Convert to fraction form
    101,268.32/151,867.28 = 56,358.20/x
  3. Step 3: Cross multiply
    101,268.32x = 151,867.28 × 56,358.20
  4. Step 4: Simplify right side
    101,268.32x = 8,558,967,060.26
  5. Step 5: Solve for x
    x = 8,558,967,060.26/101,268.32
  6. Step 6: Final answer
    x = 84,517.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.