Home / 140,632.20-194,073.57-76,970.52

Finding the Fourth Proportional to 140,632.20, 194,073.57 and 76,970.52

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Solution

The fourth proportional to 140,632.20, 194,073.57 and 76,970.52 is: 106,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,632.20 : 194,073.57 = 76,970.52 : x
  2. Step 2: Convert to fraction form
    140,632.20/194,073.57 = 76,970.52/x
  3. Step 3: Cross multiply
    140,632.20x = 194,073.57 × 76,970.52
  4. Step 4: Simplify right side
    140,632.20x = 14,937,943,601.16
  5. Step 5: Solve for x
    x = 14,937,943,601.16/140,632.20
  6. Step 6: Final answer
    x = 106,219.94

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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.