Home / 276,032.48-380,939.82-153,537.80

Finding the Fourth Proportional to 276,032.48, 380,939.82 and 153,537.80

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Solution

The fourth proportional to 276,032.48, 380,939.82 and 153,537.80 is: 211,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,032.48 : 380,939.82 = 153,537.80 : x
  2. Step 2: Convert to fraction form
    276,032.48/380,939.82 = 153,537.80/x
  3. Step 3: Cross multiply
    276,032.48x = 380,939.82 × 153,537.80
  4. Step 4: Simplify right side
    276,032.48x = 58,488,661,895.20
  5. Step 5: Solve for x
    x = 58,488,661,895.20/276,032.48
  6. Step 6: Final answer
    x = 211,890.51

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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.