Home / 128,560.32-192,840.48-44,344.62

Finding the Fourth Proportional to 128,560.32, 192,840.48 and 44,344.62

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Solution

The fourth proportional to 128,560.32, 192,840.48 and 44,344.62 is: 66,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,560.32 : 192,840.48 = 44,344.62 : x
  2. Step 2: Convert to fraction form
    128,560.32/192,840.48 = 44,344.62/x
  3. Step 3: Cross multiply
    128,560.32x = 192,840.48 × 44,344.62
  4. Step 4: Simplify right side
    128,560.32x = 8,551,437,806.22
  5. Step 5: Solve for x
    x = 8,551,437,806.22/128,560.32
  6. Step 6: Final answer
    x = 66,516.93

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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.