Home / 109,193.19-150,686.12-61,447.34

Finding the Fourth Proportional to 109,193.19, 150,686.12 and 61,447.34

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Solution

The fourth proportional to 109,193.19, 150,686.12 and 61,447.34 is: 84,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,193.19 : 150,686.12 = 61,447.34 : x
  2. Step 2: Convert to fraction form
    109,193.19/150,686.12 = 61,447.34/x
  3. Step 3: Cross multiply
    109,193.19x = 150,686.12 × 61,447.34
  4. Step 4: Simplify right side
    109,193.19x = 9,259,260,188.25
  5. Step 5: Solve for x
    x = 9,259,260,188.25/109,193.19
  6. Step 6: Final answer
    x = 84,797.05

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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.