Home / 118,231.40-177,368.70-48,117.80

Finding the Fourth Proportional to 118,231.40, 177,368.70 and 48,117.80

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Solution

The fourth proportional to 118,231.40, 177,368.70 and 48,117.80 is: 72,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,231.40 : 177,368.70 = 48,117.80 : x
  2. Step 2: Convert to fraction form
    118,231.40/177,368.70 = 48,117.80/x
  3. Step 3: Cross multiply
    118,231.40x = 177,368.70 × 48,117.80
  4. Step 4: Simplify right side
    118,231.40x = 8,534,591,632.86
  5. Step 5: Solve for x
    x = 8,534,591,632.86/118,231.40
  6. Step 6: Final answer
    x = 72,185.49

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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.