Home / 130,619.12-196,016.08-47,513.12

Finding the Fourth Proportional to 130,619.12, 196,016.08 and 47,513.12

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Solution

The fourth proportional to 130,619.12, 196,016.08 and 47,513.12 is: 71,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,619.12 : 196,016.08 = 47,513.12 : x
  2. Step 2: Convert to fraction form
    130,619.12/196,016.08 = 47,513.12/x
  3. Step 3: Cross multiply
    130,619.12x = 196,016.08 × 47,513.12
  4. Step 4: Simplify right side
    130,619.12x = 9,313,335,530.97
  5. Step 5: Solve for x
    x = 9,313,335,530.97/130,619.12
  6. Step 6: Final answer
    x = 71,301.47

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1.5x scale

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.