Home / 152,175.40-228,263.10-73,270.60

Finding the Fourth Proportional to 152,175.40, 228,263.10 and 73,270.60

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Solution

The fourth proportional to 152,175.40, 228,263.10 and 73,270.60 is: 109,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,175.40 : 228,263.10 = 73,270.60 : x
  2. Step 2: Convert to fraction form
    152,175.40/228,263.10 = 73,270.60/x
  3. Step 3: Cross multiply
    152,175.40x = 228,263.10 × 73,270.60
  4. Step 4: Simplify right side
    152,175.40x = 16,724,974,294.86
  5. Step 5: Solve for x
    x = 16,724,974,294.86/152,175.40
  6. Step 6: Final answer
    x = 109,905.90

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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.