Home / 116,863.65-161,283.18-69,132.36

Finding the Fourth Proportional to 116,863.65, 161,283.18 and 69,132.36

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Solution

The fourth proportional to 116,863.65, 161,283.18 and 69,132.36 is: 95,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,863.65 : 161,283.18 = 69,132.36 : x
  2. Step 2: Convert to fraction form
    116,863.65/161,283.18 = 69,132.36/x
  3. Step 3: Cross multiply
    116,863.65x = 161,283.18 × 69,132.36
  4. Step 4: Simplify right side
    116,863.65x = 11,149,886,861.70
  5. Step 5: Solve for x
    x = 11,149,886,861.70/116,863.65
  6. Step 6: Final answer
    x = 95,409.37

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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.