Home / 128,205.54-192,293.73-34,718.58

Finding the Fourth Proportional to 128,205.54, 192,293.73 and 34,718.58

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Solution

The fourth proportional to 128,205.54, 192,293.73 and 34,718.58 is: 52,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,205.54 : 192,293.73 = 34,718.58 : x
  2. Step 2: Convert to fraction form
    128,205.54/192,293.73 = 34,718.58/x
  3. Step 3: Cross multiply
    128,205.54x = 192,293.73 × 34,718.58
  4. Step 4: Simplify right side
    128,205.54x = 6,676,165,248.50
  5. Step 5: Solve for x
    x = 6,676,165,248.50/128,205.54
  6. Step 6: Final answer
    x = 52,073.92

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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.