Home / 118,901.09-164,083.46-65,184.95

Finding the Fourth Proportional to 118,901.09, 164,083.46 and 65,184.95

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Solution

The fourth proportional to 118,901.09, 164,083.46 and 65,184.95 is: 89,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,901.09 : 164,083.46 = 65,184.95 : x
  2. Step 2: Convert to fraction form
    118,901.09/164,083.46 = 65,184.95/x
  3. Step 3: Cross multiply
    118,901.09x = 164,083.46 × 65,184.95
  4. Step 4: Simplify right side
    118,901.09x = 10,695,771,849.34
  5. Step 5: Solve for x
    x = 10,695,771,849.34/118,901.09
  6. Step 6: Final answer
    x = 89,955.21

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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.