Home / 120,324.08-166,049.19-65,875.33

Finding the Fourth Proportional to 120,324.08, 166,049.19 and 65,875.33

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Solution

The fourth proportional to 120,324.08, 166,049.19 and 65,875.33 is: 90,909.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,324.08 : 166,049.19 = 65,875.33 : x
  2. Step 2: Convert to fraction form
    120,324.08/166,049.19 = 65,875.33/x
  3. Step 3: Cross multiply
    120,324.08x = 166,049.19 × 65,875.33
  4. Step 4: Simplify right side
    120,324.08x = 10,938,545,395.04
  5. Step 5: Solve for x
    x = 10,938,545,395.04/120,324.08
  6. Step 6: Final answer
    x = 90,909.03

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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.