Home / 277,282.59-382,667.69-156,379.76

Finding the Fourth Proportional to 277,282.59, 382,667.69 and 156,379.76

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Solution

The fourth proportional to 277,282.59, 382,667.69 and 156,379.76 is: 215,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,282.59 : 382,667.69 = 156,379.76 : x
  2. Step 2: Convert to fraction form
    277,282.59/382,667.69 = 156,379.76/x
  3. Step 3: Cross multiply
    277,282.59x = 382,667.69 × 156,379.76
  4. Step 4: Simplify right side
    277,282.59x = 59,841,481,434.57
  5. Step 5: Solve for x
    x = 59,841,481,434.57/277,282.59
  6. Step 6: Final answer
    x = 215,814.06

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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.