Home / 140,996.84-194,575.92-77,335.16

Finding the Fourth Proportional to 140,996.84, 194,575.92 and 77,335.16

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Solution

The fourth proportional to 140,996.84, 194,575.92 and 77,335.16 is: 106,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,996.84 : 194,575.92 = 77,335.16 : x
  2. Step 2: Convert to fraction form
    140,996.84/194,575.92 = 77,335.16/x
  3. Step 3: Cross multiply
    140,996.84x = 194,575.92 × 77,335.16
  4. Step 4: Simplify right side
    140,996.84x = 15,047,559,905.35
  5. Step 5: Solve for x
    x = 15,047,559,905.35/140,996.84
  6. Step 6: Final answer
    x = 106,722.67

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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.