Home / 277,726.12-383,153.52-161,420.24

Finding the Fourth Proportional to 277,726.12, 383,153.52 and 161,420.24

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Solution

The fourth proportional to 277,726.12, 383,153.52 and 161,420.24 is: 222,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,726.12 : 383,153.52 = 161,420.24 : x
  2. Step 2: Convert to fraction form
    277,726.12/383,153.52 = 161,420.24/x
  3. Step 3: Cross multiply
    277,726.12x = 383,153.52 × 161,420.24
  4. Step 4: Simplify right side
    277,726.12x = 61,848,733,155.24
  5. Step 5: Solve for x
    x = 61,848,733,155.24/277,726.12
  6. Step 6: Final answer
    x = 222,696.85

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1.5x scale

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.