Home / 140,822.16-194,331.52-77,158.56

Finding the Fourth Proportional to 140,822.16, 194,331.52 and 77,158.56

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Solution

The fourth proportional to 140,822.16, 194,331.52 and 77,158.56 is: 106,477.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,822.16 : 194,331.52 = 77,158.56 : x
  2. Step 2: Convert to fraction form
    140,822.16/194,331.52 = 77,158.56/x
  3. Step 3: Cross multiply
    140,822.16x = 194,331.52 × 77,158.56
  4. Step 4: Simplify right side
    140,822.16x = 14,994,340,245.81
  5. Step 5: Solve for x
    x = 14,994,340,245.81/140,822.16
  6. Step 6: Final answer
    x = 106,477.14

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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.