Home / 161,961.83-223,507.20-90,341.83

Finding the Fourth Proportional to 161,961.83, 223,507.20 and 90,341.83

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Solution

The fourth proportional to 161,961.83, 223,507.20 and 90,341.83 is: 124,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,961.83 : 223,507.20 = 90,341.83 : x
  2. Step 2: Convert to fraction form
    161,961.83/223,507.20 = 90,341.83/x
  3. Step 3: Cross multiply
    161,961.83x = 223,507.20 × 90,341.83
  4. Step 4: Simplify right side
    161,961.83x = 20,192,049,466.18
  5. Step 5: Solve for x
    x = 20,192,049,466.18/161,961.83
  6. Step 6: Final answer
    x = 124,671.66

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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.