Home / 338,780.40-467,513.76-185,815.45

Finding the Fourth Proportional to 338,780.40, 467,513.76 and 185,815.45

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Solution

The fourth proportional to 338,780.40, 467,513.76 and 185,815.45 is: 256,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,780.40 : 467,513.76 = 185,815.45 : x
  2. Step 2: Convert to fraction form
    338,780.40/467,513.76 = 185,815.45/x
  3. Step 3: Cross multiply
    338,780.40x = 467,513.76 × 185,815.45
  4. Step 4: Simplify right side
    338,780.40x = 86,871,279,695.59
  5. Step 5: Solve for x
    x = 86,871,279,695.59/338,780.40
  6. Step 6: Final answer
    x = 256,423.57

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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.