Home / 147,452.80-221,004.16-84,994.24

Finding the Fourth Proportional to 147,452.80, 221,004.16 and 84,994.24

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Solution

The fourth proportional to 147,452.80, 221,004.16 and 84,994.24 is: 127,390.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,452.80 : 221,004.16 = 84,994.24 : x
  2. Step 2: Convert to fraction form
    147,452.80/221,004.16 = 84,994.24/x
  3. Step 3: Cross multiply
    147,452.80x = 221,004.16 × 84,994.24
  4. Step 4: Simplify right side
    147,452.80x = 18,784,080,616.04
  5. Step 5: Solve for x
    x = 18,784,080,616.04/147,452.80
  6. Step 6: Final answer
    x = 127,390.46

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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.