Home / 277,782.29-383,370.68-156,931.36

Finding the Fourth Proportional to 277,782.29, 383,370.68 and 156,931.36

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Solution

The fourth proportional to 277,782.29, 383,370.68 and 156,931.36 is: 216,582.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,782.29 : 383,370.68 = 156,931.36 : x
  2. Step 2: Convert to fraction form
    277,782.29/383,370.68 = 156,931.36/x
  3. Step 3: Cross multiply
    277,782.29x = 383,370.68 × 156,931.36
  4. Step 4: Simplify right side
    277,782.29x = 60,162,882,196.52
  5. Step 5: Solve for x
    x = 60,162,882,196.52/277,782.29
  6. Step 6: Final answer
    x = 216,582.86

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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.