Home / 118,995.04-164,213.76-65,285.02

Finding the Fourth Proportional to 118,995.04, 164,213.76 and 65,285.02

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Solution

The fourth proportional to 118,995.04, 164,213.76 and 65,285.02 is: 90,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,995.04 : 164,213.76 = 65,285.02 : x
  2. Step 2: Convert to fraction form
    118,995.04/164,213.76 = 65,285.02/x
  3. Step 3: Cross multiply
    118,995.04x = 164,213.76 × 65,285.02
  4. Step 4: Simplify right side
    118,995.04x = 10,720,698,605.88
  5. Step 5: Solve for x
    x = 10,720,698,605.88/118,995.04
  6. Step 6: Final answer
    x = 90,093.66

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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.