Home / 156,214.85-234,164.50-61,511.50

Finding the Fourth Proportional to 156,214.85, 234,164.50 and 61,511.50

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Solution

The fourth proportional to 156,214.85, 234,164.50 and 61,511.50 is: 92,205.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,214.85 : 234,164.50 = 61,511.50 : x
  2. Step 2: Convert to fraction form
    156,214.85/234,164.50 = 61,511.50/x
  3. Step 3: Cross multiply
    156,214.85x = 234,164.50 × 61,511.50
  4. Step 4: Simplify right side
    156,214.85x = 14,403,808,902.56
  5. Step 5: Solve for x
    x = 14,403,808,902.56/156,214.85
  6. Step 6: Final answer
    x = 92,205.12

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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.