Home / 161,856.20-223,410.94-93,890.36

Finding the Fourth Proportional to 161,856.20, 223,410.94 and 93,890.36

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Solution

The fourth proportional to 161,856.20, 223,410.94 and 93,890.36 is: 129,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,856.20 : 223,410.94 = 93,890.36 : x
  2. Step 2: Convert to fraction form
    161,856.20/223,410.94 = 93,890.36/x
  3. Step 3: Cross multiply
    161,856.20x = 223,410.94 × 93,890.36
  4. Step 4: Simplify right side
    161,856.20x = 20,976,133,584.54
  5. Step 5: Solve for x
    x = 20,976,133,584.54/161,856.20
  6. Step 6: Final answer
    x = 129,597.34

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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.