Home / 214,780.09-296,379.16-124,141.92

Finding the Fourth Proportional to 214,780.09, 296,379.16 and 124,141.92

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Solution

The fourth proportional to 214,780.09, 296,379.16 and 124,141.92 is: 171,305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,780.09 : 296,379.16 = 124,141.92 : x
  2. Step 2: Convert to fraction form
    214,780.09/296,379.16 = 124,141.92/x
  3. Step 3: Cross multiply
    214,780.09x = 296,379.16 × 124,141.92
  4. Step 4: Simplify right side
    214,780.09x = 36,793,077,970.39
  5. Step 5: Solve for x
    x = 36,793,077,970.39/214,780.09
  6. Step 6: Final answer
    x = 171,305.81

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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.