Home / 140,795.01-194,297.81-77,132.84

Finding the Fourth Proportional to 140,795.01, 194,297.81 and 77,132.84

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Solution

The fourth proportional to 140,795.01, 194,297.81 and 77,132.84 is: 106,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,795.01 : 194,297.81 = 77,132.84 : x
  2. Step 2: Convert to fraction form
    140,795.01/194,297.81 = 77,132.84/x
  3. Step 3: Cross multiply
    140,795.01x = 194,297.81 × 77,132.84
  4. Step 4: Simplify right side
    140,795.01x = 14,986,740,533.93
  5. Step 5: Solve for x
    x = 14,986,740,533.93/140,795.01
  6. Step 6: Final answer
    x = 106,443.69

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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.