Home / 152,232.10-228,002.55-78,273.70

Finding the Fourth Proportional to 152,232.10, 228,002.55 and 78,273.70

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Solution

The fourth proportional to 152,232.10, 228,002.55 and 78,273.70 is: 117,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,232.10 : 228,002.55 = 78,273.70 : x
  2. Step 2: Convert to fraction form
    152,232.10/228,002.55 = 78,273.70/x
  3. Step 3: Cross multiply
    152,232.10x = 228,002.55 × 78,273.70
  4. Step 4: Simplify right side
    152,232.10x = 17,846,603,197.94
  5. Step 5: Solve for x
    x = 17,846,603,197.94/152,232.10
  6. Step 6: Final answer
    x = 117,232.85

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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.