Home / 140,030.60-193,234.54-79,592.84

Finding the Fourth Proportional to 140,030.60, 193,234.54 and 79,592.84

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Solution

The fourth proportional to 140,030.60, 193,234.54 and 79,592.84 is: 109,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,030.60 : 193,234.54 = 79,592.84 : x
  2. Step 2: Convert to fraction form
    140,030.60/193,234.54 = 79,592.84/x
  3. Step 3: Cross multiply
    140,030.60x = 193,234.54 × 79,592.84
  4. Step 4: Simplify right side
    140,030.60x = 15,380,085,824.69
  5. Step 5: Solve for x
    x = 15,380,085,824.69/140,030.60
  6. Step 6: Final answer
    x = 109,833.75

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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.