Home / 277,318.38-382,699.44-156,485.28

Finding the Fourth Proportional to 277,318.38, 382,699.44 and 156,485.28

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Solution

The fourth proportional to 277,318.38, 382,699.44 and 156,485.28 is: 215,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,318.38 : 382,699.44 = 156,485.28 : x
  2. Step 2: Convert to fraction form
    277,318.38/382,699.44 = 156,485.28/x
  3. Step 3: Cross multiply
    277,318.38x = 382,699.44 × 156,485.28
  4. Step 4: Simplify right side
    277,318.38x = 59,886,829,024.24
  5. Step 5: Solve for x
    x = 59,886,829,024.24/277,318.38
  6. Step 6: Final answer
    x = 215,949.73

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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.