Home / 140,463.22-193,837.90-76,800.34

Finding the Fourth Proportional to 140,463.22, 193,837.90 and 76,800.34

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Solution

The fourth proportional to 140,463.22, 193,837.90 and 76,800.34 is: 105,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,463.22 : 193,837.90 = 76,800.34 : x
  2. Step 2: Convert to fraction form
    140,463.22/193,837.90 = 76,800.34/x
  3. Step 3: Cross multiply
    140,463.22x = 193,837.90 × 76,800.34
  4. Step 4: Simplify right side
    140,463.22x = 14,886,816,624.89
  5. Step 5: Solve for x
    x = 14,886,816,624.89/140,463.22
  6. Step 6: Final answer
    x = 105,983.73

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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.