Home / 165,002.10-227,703.15-89,550.78

Finding the Fourth Proportional to 165,002.10, 227,703.15 and 89,550.78

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Solution

The fourth proportional to 165,002.10, 227,703.15 and 89,550.78 is: 123,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,002.10 : 227,703.15 = 89,550.78 : x
  2. Step 2: Convert to fraction form
    165,002.10/227,703.15 = 89,550.78/x
  3. Step 3: Cross multiply
    165,002.10x = 227,703.15 × 89,550.78
  4. Step 4: Simplify right side
    165,002.10x = 20,390,994,690.96
  5. Step 5: Solve for x
    x = 20,390,994,690.96/165,002.10
  6. Step 6: Final answer
    x = 123,580.21

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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.