Home / 159,821.48-220,636.56-116,752.62

Finding the Fourth Proportional to 159,821.48, 220,636.56 and 116,752.62

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Solution

The fourth proportional to 159,821.48, 220,636.56 and 116,752.62 is: 161,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,821.48 : 220,636.56 = 116,752.62 : x
  2. Step 2: Convert to fraction form
    159,821.48/220,636.56 = 116,752.62/x
  3. Step 3: Cross multiply
    159,821.48x = 220,636.56 × 116,752.62
  4. Step 4: Simplify right side
    159,821.48x = 25,759,896,447.79
  5. Step 5: Solve for x
    x = 25,759,896,447.79/159,821.48
  6. Step 6: Final answer
    x = 161,179.19

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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.