Home / 277,311.92-382,689.29-156,453.23

Finding the Fourth Proportional to 277,311.92, 382,689.29 and 156,453.23

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Solution

The fourth proportional to 277,311.92, 382,689.29 and 156,453.23 is: 215,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,311.92 : 382,689.29 = 156,453.23 : x
  2. Step 2: Convert to fraction form
    277,311.92/382,689.29 = 156,453.23/x
  3. Step 3: Cross multiply
    277,311.92x = 382,689.29 × 156,453.23
  4. Step 4: Simplify right side
    277,311.92x = 59,872,976,854.76
  5. Step 5: Solve for x
    x = 59,872,976,854.76/277,311.92
  6. Step 6: Final answer
    x = 215,904.81

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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.