Home / 128,296.96-192,455.70-44,023.21

Finding the Fourth Proportional to 128,296.96, 192,455.70 and 44,023.21

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Solution

The fourth proportional to 128,296.96, 192,455.70 and 44,023.21 is: 66,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,296.96 : 192,455.70 = 44,023.21 : x
  2. Step 2: Convert to fraction form
    128,296.96/192,455.70 = 44,023.21/x
  3. Step 3: Cross multiply
    128,296.96x = 192,455.70 × 44,023.21
  4. Step 4: Simplify right side
    128,296.96x = 8,472,517,696.80
  5. Step 5: Solve for x
    x = 8,472,517,696.80/128,296.96
  6. Step 6: Final answer
    x = 66,038.34

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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.