Home / 98,179.15-147,271.92-27,107.12

Finding the Fourth Proportional to 98,179.15, 147,271.92 and 27,107.12

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Solution

The fourth proportional to 98,179.15, 147,271.92 and 27,107.12 is: 40,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,179.15 : 147,271.92 = 27,107.12 : x
  2. Step 2: Convert to fraction form
    98,179.15/147,271.92 = 27,107.12/x
  3. Step 3: Cross multiply
    98,179.15x = 147,271.92 × 27,107.12
  4. Step 4: Simplify right side
    98,179.15x = 3,992,116,871.71
  5. Step 5: Solve for x
    x = 3,992,116,871.71/98,179.15
  6. Step 6: Final answer
    x = 40,661.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.