Home / 165,154.06-227,911.35-89,703.10

Finding the Fourth Proportional to 165,154.06, 227,911.35 and 89,703.10

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Solution

The fourth proportional to 165,154.06, 227,911.35 and 89,703.10 is: 123,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,154.06 : 227,911.35 = 89,703.10 : x
  2. Step 2: Convert to fraction form
    165,154.06/227,911.35 = 89,703.10/x
  3. Step 3: Cross multiply
    165,154.06x = 227,911.35 × 89,703.10
  4. Step 4: Simplify right side
    165,154.06x = 20,444,354,620.19
  5. Step 5: Solve for x
    x = 20,444,354,620.19/165,154.06
  6. Step 6: Final answer
    x = 123,789.60

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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.