Home / 140,295.60-193,607.46-76,633.38

Finding the Fourth Proportional to 140,295.60, 193,607.46 and 76,633.38

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Solution

The fourth proportional to 140,295.60, 193,607.46 and 76,633.38 is: 105,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,295.60 : 193,607.46 = 76,633.38 : x
  2. Step 2: Convert to fraction form
    140,295.60/193,607.46 = 76,633.38/x
  3. Step 3: Cross multiply
    140,295.60x = 193,607.46 × 76,633.38
  4. Step 4: Simplify right side
    140,295.60x = 14,836,794,053.01
  5. Step 5: Solve for x
    x = 14,836,794,053.01/140,295.60
  6. Step 6: Final answer
    x = 105,753.81

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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.