Home / 151,115.22-208,395.86-96,684.61

Finding the Fourth Proportional to 151,115.22, 208,395.86 and 96,684.61

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Solution

The fourth proportional to 151,115.22, 208,395.86 and 96,684.61 is: 133,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,115.22 : 208,395.86 = 96,684.61 : x
  2. Step 2: Convert to fraction form
    151,115.22/208,395.86 = 96,684.61/x
  3. Step 3: Cross multiply
    151,115.22x = 208,395.86 × 96,684.61
  4. Step 4: Simplify right side
    151,115.22x = 20,148,671,909.94
  5. Step 5: Solve for x
    x = 20,148,671,909.94/151,115.22
  6. Step 6: Final answer
    x = 133,333.18

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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.