Home / 130,928.23-196,209.31-70,826.97

Finding the Fourth Proportional to 130,928.23, 196,209.31 and 70,826.97

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Solution

The fourth proportional to 130,928.23, 196,209.31 and 70,826.97 is: 106,141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,928.23 : 196,209.31 = 70,826.97 : x
  2. Step 2: Convert to fraction form
    130,928.23/196,209.31 = 70,826.97/x
  3. Step 3: Cross multiply
    130,928.23x = 196,209.31 × 70,826.97
  4. Step 4: Simplify right side
    130,928.23x = 13,896,910,913.09
  5. Step 5: Solve for x
    x = 13,896,910,913.09/130,928.23
  6. Step 6: Final answer
    x = 106,141.44

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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.