Home / 118,922.45-164,113.02-65,206.35

Finding the Fourth Proportional to 118,922.45, 164,113.02 and 65,206.35

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Solution

The fourth proportional to 118,922.45, 164,113.02 and 65,206.35 is: 89,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,922.45 : 164,113.02 = 65,206.35 : x
  2. Step 2: Convert to fraction form
    118,922.45/164,113.02 = 65,206.35/x
  3. Step 3: Cross multiply
    118,922.45x = 164,113.02 × 65,206.35
  4. Step 4: Simplify right side
    118,922.45x = 10,701,211,021.68
  5. Step 5: Solve for x
    x = 10,701,211,021.68/118,922.45
  6. Step 6: Final answer
    x = 89,984.79

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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.