Home / 179,627.10-269,440.65-120,140.70

Finding the Fourth Proportional to 179,627.10, 269,440.65 and 120,140.70

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Solution

The fourth proportional to 179,627.10, 269,440.65 and 120,140.70 is: 180,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,627.10 : 269,440.65 = 120,140.70 : x
  2. Step 2: Convert to fraction form
    179,627.10/269,440.65 = 120,140.70/x
  3. Step 3: Cross multiply
    179,627.10x = 269,440.65 × 120,140.70
  4. Step 4: Simplify right side
    179,627.10x = 32,370,788,299.46
  5. Step 5: Solve for x
    x = 32,370,788,299.46/179,627.10
  6. Step 6: Final answer
    x = 180,211.05

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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.