Home / 277,740.06-416,631.69-90,770.46

Finding the Fourth Proportional to 277,740.06, 416,631.69 and 90,770.46

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Solution

The fourth proportional to 277,740.06, 416,631.69 and 90,770.46 is: 136,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,740.06 : 416,631.69 = 90,770.46 : x
  2. Step 2: Convert to fraction form
    277,740.06/416,631.69 = 90,770.46/x
  3. Step 3: Cross multiply
    277,740.06x = 416,631.69 × 90,770.46
  4. Step 4: Simplify right side
    277,740.06x = 37,817,850,151.88
  5. Step 5: Solve for x
    x = 37,817,850,151.88/277,740.06
  6. Step 6: Final answer
    x = 136,162.75

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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.