Home / 118,215.90-177,345.45-48,102.30

Finding the Fourth Proportional to 118,215.90, 177,345.45 and 48,102.30

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Solution

The fourth proportional to 118,215.90, 177,345.45 and 48,102.30 is: 72,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,215.90 : 177,345.45 = 48,102.30 : x
  2. Step 2: Convert to fraction form
    118,215.90/177,345.45 = 48,102.30/x
  3. Step 3: Cross multiply
    118,215.90x = 177,345.45 × 48,102.30
  4. Step 4: Simplify right side
    118,215.90x = 8,530,724,039.54
  5. Step 5: Solve for x
    x = 8,530,724,039.54/118,215.90
  6. Step 6: Final answer
    x = 72,162.24

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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.