Home / 258,897.33-386,529.91-219,050.19

Finding the Fourth Proportional to 258,897.33, 386,529.91 and 219,050.19

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Solution

The fourth proportional to 258,897.33, 386,529.91 and 219,050.19 is: 327,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,897.33 : 386,529.91 = 219,050.19 : x
  2. Step 2: Convert to fraction form
    258,897.33/386,529.91 = 219,050.19/x
  3. Step 3: Cross multiply
    258,897.33x = 386,529.91 × 219,050.19
  4. Step 4: Simplify right side
    258,897.33x = 84,669,449,678.56
  5. Step 5: Solve for x
    x = 84,669,449,678.56/258,897.33
  6. Step 6: Final answer
    x = 327,038.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.