Home / 118,924.86-164,114.98-65,209.75

Finding the Fourth Proportional to 118,924.86, 164,114.98 and 65,209.75

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Solution

The fourth proportional to 118,924.86, 164,114.98 and 65,209.75 is: 89,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,924.86 : 164,114.98 = 65,209.75 : x
  2. Step 2: Convert to fraction form
    118,924.86/164,114.98 = 65,209.75/x
  3. Step 3: Cross multiply
    118,924.86x = 164,114.98 × 65,209.75
  4. Step 4: Simplify right side
    118,924.86x = 10,701,896,817.06
  5. Step 5: Solve for x
    x = 10,701,896,817.06/118,924.86
  6. Step 6: Final answer
    x = 89,988.73

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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.