Home / 109,094.15-150,551.44-81,822.26

Finding the Fourth Proportional to 109,094.15, 150,551.44 and 81,822.26

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Solution

The fourth proportional to 109,094.15, 150,551.44 and 81,822.26 is: 112,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,094.15 : 150,551.44 = 81,822.26 : x
  2. Step 2: Convert to fraction form
    109,094.15/150,551.44 = 81,822.26/x
  3. Step 3: Cross multiply
    109,094.15x = 150,551.44 × 81,822.26
  4. Step 4: Simplify right side
    109,094.15x = 12,318,458,109.74
  5. Step 5: Solve for x
    x = 12,318,458,109.74/109,094.15
  6. Step 6: Final answer
    x = 112,915.85

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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.