Home / 140,544.18-193,948.02-76,879.80

Finding the Fourth Proportional to 140,544.18, 193,948.02 and 76,879.80

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Solution

The fourth proportional to 140,544.18, 193,948.02 and 76,879.80 is: 106,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,544.18 : 193,948.02 = 76,879.80 : x
  2. Step 2: Convert to fraction form
    140,544.18/193,948.02 = 76,879.80/x
  3. Step 3: Cross multiply
    140,544.18x = 193,948.02 × 76,879.80
  4. Step 4: Simplify right side
    140,544.18x = 14,910,684,988.00
  5. Step 5: Solve for x
    x = 14,910,684,988.00/140,544.18
  6. Step 6: Final answer
    x = 106,092.51

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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.