Home / 118,966.10-164,186.93-71,219.43

Finding the Fourth Proportional to 118,966.10, 164,186.93 and 71,219.43

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Solution

The fourth proportional to 118,966.10, 164,186.93 and 71,219.43 is: 98,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,966.10 : 164,186.93 = 71,219.43 : x
  2. Step 2: Convert to fraction form
    118,966.10/164,186.93 = 71,219.43/x
  3. Step 3: Cross multiply
    118,966.10x = 164,186.93 × 71,219.43
  4. Step 4: Simplify right side
    118,966.10x = 11,693,299,568.05
  5. Step 5: Solve for x
    x = 11,693,299,568.05/118,966.10
  6. Step 6: Final answer
    x = 98,291.02

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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.