Home / 214,518.61-296,078.76-123,889.33

Finding the Fourth Proportional to 214,518.61, 296,078.76 and 123,889.33

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Solution

The fourth proportional to 214,518.61, 296,078.76 and 123,889.33 is: 170,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,518.61 : 296,078.76 = 123,889.33 : x
  2. Step 2: Convert to fraction form
    214,518.61/296,078.76 = 123,889.33/x
  3. Step 3: Cross multiply
    214,518.61x = 296,078.76 × 123,889.33
  4. Step 4: Simplify right side
    214,518.61x = 36,680,999,203.63
  5. Step 5: Solve for x
    x = 36,680,999,203.63/214,518.61
  6. Step 6: Final answer
    x = 170,992.15

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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.