Home / 109,797.32-151,464.66-69,443.12

Finding the Fourth Proportional to 109,797.32, 151,464.66 and 69,443.12

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Solution

The fourth proportional to 109,797.32, 151,464.66 and 69,443.12 is: 95,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,797.32 : 151,464.66 = 69,443.12 : x
  2. Step 2: Convert to fraction form
    109,797.32/151,464.66 = 69,443.12/x
  3. Step 3: Cross multiply
    109,797.32x = 151,464.66 × 69,443.12
  4. Step 4: Simplify right side
    109,797.32x = 10,518,178,560.14
  5. Step 5: Solve for x
    x = 10,518,178,560.14/109,797.32
  6. Step 6: Final answer
    x = 95,796.31

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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.