Home / 277,083.10-382,367.01-156,223.32

Finding the Fourth Proportional to 277,083.10, 382,367.01 and 156,223.32

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Solution

The fourth proportional to 277,083.10, 382,367.01 and 156,223.32 is: 215,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,083.10 : 382,367.01 = 156,223.32 : x
  2. Step 2: Convert to fraction form
    277,083.10/382,367.01 = 156,223.32/x
  3. Step 3: Cross multiply
    277,083.10x = 382,367.01 × 156,223.32
  4. Step 4: Simplify right side
    277,083.10x = 59,734,643,760.67
  5. Step 5: Solve for x
    x = 59,734,643,760.67/277,083.10
  6. Step 6: Final answer
    x = 215,583.86

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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.