Home / 165,002.17-227,703.09-89,550.67

Finding the Fourth Proportional to 165,002.17, 227,703.09 and 89,550.67

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Solution

The fourth proportional to 165,002.17, 227,703.09 and 89,550.67 is: 123,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,002.17 : 227,703.09 = 89,550.67 : x
  2. Step 2: Convert to fraction form
    165,002.17/227,703.09 = 89,550.67/x
  3. Step 3: Cross multiply
    165,002.17x = 227,703.09 × 89,550.67
  4. Step 4: Simplify right side
    165,002.17x = 20,390,964,270.57
  5. Step 5: Solve for x
    x = 20,390,964,270.57/165,002.17
  6. Step 6: Final answer
    x = 123,579.98

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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.