Home / 140,573.86-193,996.76-76,911.64

Finding the Fourth Proportional to 140,573.86, 193,996.76 and 76,911.64

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Solution

The fourth proportional to 140,573.86, 193,996.76 and 76,911.64 is: 106,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,573.86 : 193,996.76 = 76,911.64 : x
  2. Step 2: Convert to fraction form
    140,573.86/193,996.76 = 76,911.64/x
  3. Step 3: Cross multiply
    140,573.86x = 193,996.76 × 76,911.64
  4. Step 4: Simplify right side
    140,573.86x = 14,920,608,096.74
  5. Step 5: Solve for x
    x = 14,920,608,096.74/140,573.86
  6. Step 6: Final answer
    x = 106,140.70

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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.