Home / 165,949.08-229,007.70-90,495.96

Finding the Fourth Proportional to 165,949.08, 229,007.70 and 90,495.96

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Solution

The fourth proportional to 165,949.08, 229,007.70 and 90,495.96 is: 124,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,949.08 : 229,007.70 = 90,495.96 : x
  2. Step 2: Convert to fraction form
    165,949.08/229,007.70 = 90,495.96/x
  3. Step 3: Cross multiply
    165,949.08x = 229,007.70 × 90,495.96
  4. Step 4: Simplify right side
    165,949.08x = 20,724,271,658.89
  5. Step 5: Solve for x
    x = 20,724,271,658.89/165,949.08
  6. Step 6: Final answer
    x = 124,883.32

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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.