Home / 140,763.42-194,253.57-77,102.28

Finding the Fourth Proportional to 140,763.42, 194,253.57 and 77,102.28

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Solution

The fourth proportional to 140,763.42, 194,253.57 and 77,102.28 is: 106,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,763.42 : 194,253.57 = 77,102.28 : x
  2. Step 2: Convert to fraction form
    140,763.42/194,253.57 = 77,102.28/x
  3. Step 3: Cross multiply
    140,763.42x = 194,253.57 × 77,102.28
  4. Step 4: Simplify right side
    140,763.42x = 14,977,393,145.14
  5. Step 5: Solve for x
    x = 14,977,393,145.14/140,763.42
  6. Step 6: Final answer
    x = 106,401.17

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1.5x scale

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.