Home / 277,377.21-382,215.92-191,362.50

Finding the Fourth Proportional to 277,377.21, 382,215.92 and 191,362.50

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Solution

The fourth proportional to 277,377.21, 382,215.92 and 191,362.50 is: 263,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,377.21 : 382,215.92 = 191,362.50 : x
  2. Step 2: Convert to fraction form
    277,377.21/382,215.92 = 191,362.50/x
  3. Step 3: Cross multiply
    277,377.21x = 382,215.92 × 191,362.50
  4. Step 4: Simplify right side
    277,377.21x = 73,141,793,034.19
  5. Step 5: Solve for x
    x = 73,141,793,034.19/277,377.21
  6. Step 6: Final answer
    x = 263,690.71

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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.