Home / 165,949.18-229,009.55-90,497.68

Finding the Fourth Proportional to 165,949.18, 229,009.55 and 90,497.68

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Solution

The fourth proportional to 165,949.18, 229,009.55 and 90,497.68 is: 124,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,949.18 : 229,009.55 = 90,497.68 : x
  2. Step 2: Convert to fraction form
    165,949.18/229,009.55 = 90,497.68/x
  3. Step 3: Cross multiply
    165,949.18x = 229,009.55 × 90,497.68
  4. Step 4: Simplify right side
    165,949.18x = 20,724,831,947.83
  5. Step 5: Solve for x
    x = 20,724,831,947.83/165,949.18
  6. Step 6: Final answer
    x = 124,886.62

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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.