Home / 128,759.15-193,180.75-62,206.92

Finding the Fourth Proportional to 128,759.15, 193,180.75 and 62,206.92

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Solution

The fourth proportional to 128,759.15, 193,180.75 and 62,206.92 is: 93,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,759.15 : 193,180.75 = 62,206.92 : x
  2. Step 2: Convert to fraction form
    128,759.15/193,180.75 = 62,206.92/x
  3. Step 3: Cross multiply
    128,759.15x = 193,180.75 × 62,206.92
  4. Step 4: Simplify right side
    128,759.15x = 12,017,179,305.27
  5. Step 5: Solve for x
    x = 12,017,179,305.27/128,759.15
  6. Step 6: Final answer
    x = 93,330.68

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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.