Home / 135,439.48-186,813.61-92,924.20

Finding the Fourth Proportional to 135,439.48, 186,813.61 and 92,924.20

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Solution

The fourth proportional to 135,439.48, 186,813.61 and 92,924.20 is: 128,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,439.48 : 186,813.61 = 92,924.20 : x
  2. Step 2: Convert to fraction form
    135,439.48/186,813.61 = 92,924.20/x
  3. Step 3: Cross multiply
    135,439.48x = 186,813.61 × 92,924.20
  4. Step 4: Simplify right side
    135,439.48x = 17,359,505,258.36
  5. Step 5: Solve for x
    x = 17,359,505,258.36/135,439.48
  6. Step 6: Final answer
    x = 128,171.68

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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.