Home / 161,794.01-223,283.34-90,174.53

Finding the Fourth Proportional to 161,794.01, 223,283.34 and 90,174.53

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Solution

The fourth proportional to 161,794.01, 223,283.34 and 90,174.53 is: 124,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,794.01 : 223,283.34 = 90,174.53 : x
  2. Step 2: Convert to fraction form
    161,794.01/223,283.34 = 90,174.53/x
  3. Step 3: Cross multiply
    161,794.01x = 223,283.34 × 90,174.53
  4. Step 4: Simplify right side
    161,794.01x = 20,134,470,241.33
  5. Step 5: Solve for x
    x = 20,134,470,241.33/161,794.01
  6. Step 6: Final answer
    x = 124,445.09

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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.