Home / 161,847.61-223,349.94-90,226.09

Finding the Fourth Proportional to 161,847.61, 223,349.94 and 90,226.09

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Solution

The fourth proportional to 161,847.61, 223,349.94 and 90,226.09 is: 124,512.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,847.61 : 223,349.94 = 90,226.09 : x
  2. Step 2: Convert to fraction form
    161,847.61/223,349.94 = 90,226.09/x
  3. Step 3: Cross multiply
    161,847.61x = 223,349.94 × 90,226.09
  4. Step 4: Simplify right side
    161,847.61x = 20,151,991,787.93
  5. Step 5: Solve for x
    x = 20,151,991,787.93/161,847.61
  6. Step 6: Final answer
    x = 124,512.14

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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.