Home / 118,215.70-177,323.55-48,145.30

Finding the Fourth Proportional to 118,215.70, 177,323.55 and 48,145.30

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Solution

The fourth proportional to 118,215.70, 177,323.55 and 48,145.30 is: 72,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,215.70 : 177,323.55 = 48,145.30 : x
  2. Step 2: Convert to fraction form
    118,215.70/177,323.55 = 48,145.30/x
  3. Step 3: Cross multiply
    118,215.70x = 177,323.55 × 48,145.30
  4. Step 4: Simplify right side
    118,215.70x = 8,537,295,511.82
  5. Step 5: Solve for x
    x = 8,537,295,511.82/118,215.70
  6. Step 6: Final answer
    x = 72,217.95

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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.