Home / 140,050.37-193,285.85-79,630.07

Finding the Fourth Proportional to 140,050.37, 193,285.85 and 79,630.07

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Solution

The fourth proportional to 140,050.37, 193,285.85 and 79,630.07 is: 109,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,050.37 : 193,285.85 = 79,630.07 : x
  2. Step 2: Convert to fraction form
    140,050.37/193,285.85 = 79,630.07/x
  3. Step 3: Cross multiply
    140,050.37x = 193,285.85 × 79,630.07
  4. Step 4: Simplify right side
    140,050.37x = 15,391,364,400.93
  5. Step 5: Solve for x
    x = 15,391,364,400.93/140,050.37
  6. Step 6: Final answer
    x = 109,898.78

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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.