Home / 277,890.13-383,276.82-239,193.81

Finding the Fourth Proportional to 277,890.13, 383,276.82 and 239,193.81

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Solution

The fourth proportional to 277,890.13, 383,276.82 and 239,193.81 is: 329,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,890.13 : 383,276.82 = 239,193.81 : x
  2. Step 2: Convert to fraction form
    277,890.13/383,276.82 = 239,193.81/x
  3. Step 3: Cross multiply
    277,890.13x = 383,276.82 × 239,193.81
  4. Step 4: Simplify right side
    277,890.13x = 91,677,442,860.48
  5. Step 5: Solve for x
    x = 91,677,442,860.48/277,890.13
  6. Step 6: Final answer
    x = 329,905.36

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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.