Home / 128,854.23-193,278.45-44,609.30

Finding the Fourth Proportional to 128,854.23, 193,278.45 and 44,609.30

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Solution

The fourth proportional to 128,854.23, 193,278.45 and 44,609.30 is: 66,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,854.23 : 193,278.45 = 44,609.30 : x
  2. Step 2: Convert to fraction form
    128,854.23/193,278.45 = 44,609.30/x
  3. Step 3: Cross multiply
    128,854.23x = 193,278.45 × 44,609.30
  4. Step 4: Simplify right side
    128,854.23x = 8,622,016,285.27
  5. Step 5: Solve for x
    x = 8,622,016,285.27/128,854.23
  6. Step 6: Final answer
    x = 66,912.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.