Home / 140,939.02-194,494.44-77,276.67

Finding the Fourth Proportional to 140,939.02, 194,494.44 and 77,276.67

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Solution

The fourth proportional to 140,939.02, 194,494.44 and 77,276.67 is: 106,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,939.02 : 194,494.44 = 77,276.67 : x
  2. Step 2: Convert to fraction form
    140,939.02/194,494.44 = 77,276.67/x
  3. Step 3: Cross multiply
    140,939.02x = 194,494.44 × 77,276.67
  4. Step 4: Simplify right side
    140,939.02x = 15,029,882,656.71
  5. Step 5: Solve for x
    x = 15,029,882,656.71/140,939.02
  6. Step 6: Final answer
    x = 106,641.03

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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.