Home / 277,720.61-383,145.93-161,414.75

Finding the Fourth Proportional to 277,720.61, 383,145.93 and 161,414.75

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Solution

The fourth proportional to 277,720.61, 383,145.93 and 161,414.75 is: 222,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,720.61 : 383,145.93 = 161,414.75 : x
  2. Step 2: Convert to fraction form
    277,720.61/383,145.93 = 161,414.75/x
  3. Step 3: Cross multiply
    277,720.61x = 383,145.93 × 161,414.75
  4. Step 4: Simplify right side
    277,720.61x = 61,845,402,588.74
  5. Step 5: Solve for x
    x = 61,845,402,588.74/277,720.61
  6. Step 6: Final answer
    x = 222,689.28

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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.