Home / 338,721.07-467,441.49-185,749.57

Finding the Fourth Proportional to 338,721.07, 467,441.49 and 185,749.57

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Solution

The fourth proportional to 338,721.07, 467,441.49 and 185,749.57 is: 256,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,721.07 : 467,441.49 = 185,749.57 : x
  2. Step 2: Convert to fraction form
    338,721.07/467,441.49 = 185,749.57/x
  3. Step 3: Cross multiply
    338,721.07x = 467,441.49 × 185,749.57
  4. Step 4: Simplify right side
    338,721.07x = 86,827,052,501.70
  5. Step 5: Solve for x
    x = 86,827,052,501.70/338,721.07
  6. Step 6: Final answer
    x = 256,337.92

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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.