Home / 98,196.32-135,464.52-66,376.40

Finding the Fourth Proportional to 98,196.32, 135,464.52 and 66,376.40

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Solution

The fourth proportional to 98,196.32, 135,464.52 and 66,376.40 is: 91,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,196.32 : 135,464.52 = 66,376.40 : x
  2. Step 2: Convert to fraction form
    98,196.32/135,464.52 = 66,376.40/x
  3. Step 3: Cross multiply
    98,196.32x = 135,464.52 × 66,376.40
  4. Step 4: Simplify right side
    98,196.32x = 8,991,647,165.33
  5. Step 5: Solve for x
    x = 8,991,647,165.33/98,196.32
  6. Step 6: Final answer
    x = 91,568.07

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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.