Home / 128,274.30-192,439.86-44,032.58

Finding the Fourth Proportional to 128,274.30, 192,439.86 and 44,032.58

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Solution

The fourth proportional to 128,274.30, 192,439.86 and 44,032.58 is: 66,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,274.30 : 192,439.86 = 44,032.58 : x
  2. Step 2: Convert to fraction form
    128,274.30/192,439.86 = 44,032.58/x
  3. Step 3: Cross multiply
    128,274.30x = 192,439.86 × 44,032.58
  4. Step 4: Simplify right side
    128,274.30x = 8,473,623,530.64
  5. Step 5: Solve for x
    x = 8,473,623,530.64/128,274.30
  6. Step 6: Final answer
    x = 66,058.62

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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.