Home / 147,408.12-221,112.22-53,862.84

Finding the Fourth Proportional to 147,408.12, 221,112.22 and 53,862.84

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Solution

The fourth proportional to 147,408.12, 221,112.22 and 53,862.84 is: 80,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,408.12 : 221,112.22 = 53,862.84 : x
  2. Step 2: Convert to fraction form
    147,408.12/221,112.22 = 53,862.84/x
  3. Step 3: Cross multiply
    147,408.12x = 221,112.22 × 53,862.84
  4. Step 4: Simplify right side
    147,408.12x = 11,909,732,127.90
  5. Step 5: Solve for x
    x = 11,909,732,127.90/147,408.12
  6. Step 6: Final answer
    x = 80,794.27

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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.