Home / 161,630.54-223,052.33-90,012.36

Finding the Fourth Proportional to 161,630.54, 223,052.33 and 90,012.36

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Solution

The fourth proportional to 161,630.54, 223,052.33 and 90,012.36 is: 124,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,630.54 : 223,052.33 = 90,012.36 : x
  2. Step 2: Convert to fraction form
    161,630.54/223,052.33 = 90,012.36/x
  3. Step 3: Cross multiply
    161,630.54x = 223,052.33 × 90,012.36
  4. Step 4: Simplify right side
    161,630.54x = 20,077,466,626.80
  5. Step 5: Solve for x
    x = 20,077,466,626.80/161,630.54
  6. Step 6: Final answer
    x = 124,218.27

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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.