Home / 190,037.88-284,950.98-77,796.72

Finding the Fourth Proportional to 190,037.88, 284,950.98 and 77,796.72

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Solution

The fourth proportional to 190,037.88, 284,950.98 and 77,796.72 is: 116,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,037.88 : 284,950.98 = 77,796.72 : x
  2. Step 2: Convert to fraction form
    190,037.88/284,950.98 = 77,796.72/x
  3. Step 3: Cross multiply
    190,037.88x = 284,950.98 × 77,796.72
  4. Step 4: Simplify right side
    190,037.88x = 22,168,251,604.79
  5. Step 5: Solve for x
    x = 22,168,251,604.79/190,037.88
  6. Step 6: Final answer
    x = 116,651.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.