Home / 161,880.72-223,396.66-90,265.34

Finding the Fourth Proportional to 161,880.72, 223,396.66 and 90,265.34

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Solution

The fourth proportional to 161,880.72, 223,396.66 and 90,265.34 is: 124,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,880.72 : 223,396.66 = 90,265.34 : x
  2. Step 2: Convert to fraction form
    161,880.72/223,396.66 = 90,265.34/x
  3. Step 3: Cross multiply
    161,880.72x = 223,396.66 × 90,265.34
  4. Step 4: Simplify right side
    161,880.72x = 20,164,975,469.76
  5. Step 5: Solve for x
    x = 20,164,975,469.76/161,880.72
  6. Step 6: Final answer
    x = 124,566.88

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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.