Home / 140,286.48-193,600.98-76,626.96

Finding the Fourth Proportional to 140,286.48, 193,600.98 and 76,626.96

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Solution

The fourth proportional to 140,286.48, 193,600.98 and 76,626.96 is: 105,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,286.48 : 193,600.98 = 76,626.96 : x
  2. Step 2: Convert to fraction form
    140,286.48/193,600.98 = 76,626.96/x
  3. Step 3: Cross multiply
    140,286.48x = 193,600.98 × 76,626.96
  4. Step 4: Simplify right side
    140,286.48x = 14,835,054,550.42
  5. Step 5: Solve for x
    x = 14,835,054,550.42/140,286.48
  6. Step 6: Final answer
    x = 105,748.28

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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.