Home / 140,715.43-194,186.96-77,052.67

Finding the Fourth Proportional to 140,715.43, 194,186.96 and 77,052.67

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Solution

The fourth proportional to 140,715.43, 194,186.96 and 77,052.67 is: 106,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,715.43 : 194,186.96 = 77,052.67 : x
  2. Step 2: Convert to fraction form
    140,715.43/194,186.96 = 77,052.67/x
  3. Step 3: Cross multiply
    140,715.43x = 194,186.96 × 77,052.67
  4. Step 4: Simplify right side
    140,715.43x = 14,962,622,776.25
  5. Step 5: Solve for x
    x = 14,962,622,776.25/140,715.43
  6. Step 6: Final answer
    x = 106,332.50

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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.