Home / 140,003.52-193,204.08-76,339.95

Finding the Fourth Proportional to 140,003.52, 193,204.08 and 76,339.95

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Solution

The fourth proportional to 140,003.52, 193,204.08 and 76,339.95 is: 105,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,003.52 : 193,204.08 = 76,339.95 : x
  2. Step 2: Convert to fraction form
    140,003.52/193,204.08 = 76,339.95/x
  3. Step 3: Cross multiply
    140,003.52x = 193,204.08 × 76,339.95
  4. Step 4: Simplify right side
    140,003.52x = 14,749,189,807.00
  5. Step 5: Solve for x
    x = 14,749,189,807.00/140,003.52
  6. Step 6: Final answer
    x = 105,348.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.