Home / 118,568.43-163,677.80-75,605.51

Finding the Fourth Proportional to 118,568.43, 163,677.80 and 75,605.51

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Solution

The fourth proportional to 118,568.43, 163,677.80 and 75,605.51 is: 104,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568.43 : 163,677.80 = 75,605.51 : x
  2. Step 2: Convert to fraction form
    118,568.43/163,677.80 = 75,605.51/x
  3. Step 3: Cross multiply
    118,568.43x = 163,677.80 × 75,605.51
  4. Step 4: Simplify right side
    118,568.43x = 12,374,942,915.30
  5. Step 5: Solve for x
    x = 12,374,942,915.30/118,568.43
  6. Step 6: Final answer
    x = 104,369.63

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1.5x scale

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.