Home / 106,968.18-147,591.07-73,047.21

Finding the Fourth Proportional to 106,968.18, 147,591.07 and 73,047.21

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Solution

The fourth proportional to 106,968.18, 147,591.07 and 73,047.21 is: 100,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,968.18 : 147,591.07 = 73,047.21 : x
  2. Step 2: Convert to fraction form
    106,968.18/147,591.07 = 73,047.21/x
  3. Step 3: Cross multiply
    106,968.18x = 147,591.07 × 73,047.21
  4. Step 4: Simplify right side
    106,968.18x = 10,781,115,884.41
  5. Step 5: Solve for x
    x = 10,781,115,884.41/106,968.18
  6. Step 6: Final answer
    x = 100,788.07

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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.