Home / 152,768.45-228,845.95-77,885.57

Finding the Fourth Proportional to 152,768.45, 228,845.95 and 77,885.57

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Solution

The fourth proportional to 152,768.45, 228,845.95 and 77,885.57 is: 116,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,768.45 : 228,845.95 = 77,885.57 : x
  2. Step 2: Convert to fraction form
    152,768.45/228,845.95 = 77,885.57/x
  3. Step 3: Cross multiply
    152,768.45x = 228,845.95 × 77,885.57
  4. Step 4: Simplify right side
    152,768.45x = 17,823,797,257.94
  5. Step 5: Solve for x
    x = 17,823,797,257.94/152,768.45
  6. Step 6: Final answer
    x = 116,671.98

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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.