Home / 128,503.50-192,767.40-44,260.26

Finding the Fourth Proportional to 128,503.50, 192,767.40 and 44,260.26

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Solution

The fourth proportional to 128,503.50, 192,767.40 and 44,260.26 is: 66,394.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,503.50 : 192,767.40 = 44,260.26 : x
  2. Step 2: Convert to fraction form
    128,503.50/192,767.40 = 44,260.26/x
  3. Step 3: Cross multiply
    128,503.50x = 192,767.40 × 44,260.26
  4. Step 4: Simplify right side
    128,503.50x = 8,531,935,243.52
  5. Step 5: Solve for x
    x = 8,531,935,243.52/128,503.50
  6. Step 6: Final answer
    x = 66,394.57

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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.