Home / 106,918.12-147,540.88-59,168.60

Finding the Fourth Proportional to 106,918.12, 147,540.88 and 59,168.60

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Solution

The fourth proportional to 106,918.12, 147,540.88 and 59,168.60 is: 81,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,918.12 : 147,540.88 = 59,168.60 : x
  2. Step 2: Convert to fraction form
    106,918.12/147,540.88 = 59,168.60/x
  3. Step 3: Cross multiply
    106,918.12x = 147,540.88 × 59,168.60
  4. Step 4: Simplify right side
    106,918.12x = 8,729,787,312.37
  5. Step 5: Solve for x
    x = 8,729,787,312.37/106,918.12
  6. Step 6: Final answer
    x = 81,649.28

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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.