Home / 121,746.60-182,622.30-55,174.44

Finding the Fourth Proportional to 121,746.60, 182,622.30 and 55,174.44

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Solution

The fourth proportional to 121,746.60, 182,622.30 and 55,174.44 is: 82,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,746.60 : 182,622.30 = 55,174.44 : x
  2. Step 2: Convert to fraction form
    121,746.60/182,622.30 = 55,174.44/x
  3. Step 3: Cross multiply
    121,746.60x = 182,622.30 × 55,174.44
  4. Step 4: Simplify right side
    121,746.60x = 10,076,083,134.01
  5. Step 5: Solve for x
    x = 10,076,083,134.01/121,746.60
  6. Step 6: Final answer
    x = 82,762.75

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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.