Home / 128,542.63-192,695.85-44,282.77

Finding the Fourth Proportional to 128,542.63, 192,695.85 and 44,282.77

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Solution

The fourth proportional to 128,542.63, 192,695.85 and 44,282.77 is: 66,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,542.63 : 192,695.85 = 44,282.77 : x
  2. Step 2: Convert to fraction form
    128,542.63/192,695.85 = 44,282.77/x
  3. Step 3: Cross multiply
    128,542.63x = 192,695.85 × 44,282.77
  4. Step 4: Simplify right side
    128,542.63x = 8,533,106,005.50
  5. Step 5: Solve for x
    x = 8,533,106,005.50/128,542.63
  6. Step 6: Final answer
    x = 66,383.47

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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.