Home / 118,121.12-177,255.46-48,000.40

Finding the Fourth Proportional to 118,121.12, 177,255.46 and 48,000.40

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Solution

The fourth proportional to 118,121.12, 177,255.46 and 48,000.40 is: 72,030.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,121.12 : 177,255.46 = 48,000.40 : x
  2. Step 2: Convert to fraction form
    118,121.12/177,255.46 = 48,000.40/x
  3. Step 3: Cross multiply
    118,121.12x = 177,255.46 × 48,000.40
  4. Step 4: Simplify right side
    118,121.12x = 8,508,332,982.18
  5. Step 5: Solve for x
    x = 8,508,332,982.18/118,121.12
  6. Step 6: Final answer
    x = 72,030.58

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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.