Home / 277,211.69-382,565.50-156,350.25

Finding the Fourth Proportional to 277,211.69, 382,565.50 and 156,350.25

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Solution

The fourth proportional to 277,211.69, 382,565.50 and 156,350.25 is: 215,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,211.69 : 382,565.50 = 156,350.25 : x
  2. Step 2: Convert to fraction form
    277,211.69/382,565.50 = 156,350.25/x
  3. Step 3: Cross multiply
    277,211.69x = 382,565.50 × 156,350.25
  4. Step 4: Simplify right side
    277,211.69x = 59,814,208,871.80
  5. Step 5: Solve for x
    x = 59,814,208,871.80/277,211.69
  6. Step 6: Final answer
    x = 215,770.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.