Home / 132,840.04-199,038.60-109,220.44

Finding the Fourth Proportional to 132,840.04, 199,038.60 and 109,220.44

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Solution

The fourth proportional to 132,840.04, 199,038.60 and 109,220.44 is: 163,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,840.04 : 199,038.60 = 109,220.44 : x
  2. Step 2: Convert to fraction form
    132,840.04/199,038.60 = 109,220.44/x
  3. Step 3: Cross multiply
    132,840.04x = 199,038.60 × 109,220.44
  4. Step 4: Simplify right side
    132,840.04x = 21,739,083,468.98
  5. Step 5: Solve for x
    x = 21,739,083,468.98/132,840.04
  6. Step 6: Final answer
    x = 163,648.58

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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.