Home / 118,205.64-163,101.45-70,463.43

Finding the Fourth Proportional to 118,205.64, 163,101.45 and 70,463.43

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Solution

The fourth proportional to 118,205.64, 163,101.45 and 70,463.43 is: 97,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,205.64 : 163,101.45 = 70,463.43 : x
  2. Step 2: Convert to fraction form
    118,205.64/163,101.45 = 70,463.43/x
  3. Step 3: Cross multiply
    118,205.64x = 163,101.45 × 70,463.43
  4. Step 4: Simplify right side
    118,205.64x = 11,492,687,604.97
  5. Step 5: Solve for x
    x = 11,492,687,604.97/118,205.64
  6. Step 6: Final answer
    x = 97,226.22

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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.