Home / 128,713.95-193,050.27-35,197.83

Finding the Fourth Proportional to 128,713.95, 193,050.27 and 35,197.83

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Solution

The fourth proportional to 128,713.95, 193,050.27 and 35,197.83 is: 52,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,713.95 : 193,050.27 = 35,197.83 : x
  2. Step 2: Convert to fraction form
    128,713.95/193,050.27 = 35,197.83/x
  3. Step 3: Cross multiply
    128,713.95x = 193,050.27 × 35,197.83
  4. Step 4: Simplify right side
    128,713.95x = 6,794,950,584.91
  5. Step 5: Solve for x
    x = 6,794,950,584.91/128,713.95
  6. Step 6: Final answer
    x = 52,791.10

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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.