Home / 165,000.16-227,700.34-89,548.66

Finding the Fourth Proportional to 165,000.16, 227,700.34 and 89,548.66

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Solution

The fourth proportional to 165,000.16, 227,700.34 and 89,548.66 is: 123,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,000.16 : 227,700.34 = 89,548.66 : x
  2. Step 2: Convert to fraction form
    165,000.16/227,700.34 = 89,548.66/x
  3. Step 3: Cross multiply
    165,000.16x = 227,700.34 × 89,548.66
  4. Step 4: Simplify right side
    165,000.16x = 20,390,260,328.54
  5. Step 5: Solve for x
    x = 20,390,260,328.54/165,000.16
  6. Step 6: Final answer
    x = 123,577.22

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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.