Home / 347,784.57-479,960.69-194,813.82

Finding the Fourth Proportional to 347,784.57, 479,960.69 and 194,813.82

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Solution

The fourth proportional to 347,784.57, 479,960.69 and 194,813.82 is: 268,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,784.57 : 479,960.69 = 194,813.82 : x
  2. Step 2: Convert to fraction form
    347,784.57/479,960.69 = 194,813.82/x
  3. Step 3: Cross multiply
    347,784.57x = 479,960.69 × 194,813.82
  4. Step 4: Simplify right side
    347,784.57x = 93,502,974,494.67
  5. Step 5: Solve for x
    x = 93,502,974,494.67/347,784.57
  6. Step 6: Final answer
    x = 268,853.14

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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.