Home / 162,790.22-243,791.64-140,745.26

Finding the Fourth Proportional to 162,790.22, 243,791.64 and 140,745.26

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Solution

The fourth proportional to 162,790.22, 243,791.64 and 140,745.26 is: 210,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,790.22 : 243,791.64 = 140,745.26 : x
  2. Step 2: Convert to fraction form
    162,790.22/243,791.64 = 140,745.26/x
  3. Step 3: Cross multiply
    162,790.22x = 243,791.64 × 140,745.26
  4. Step 4: Simplify right side
    162,790.22x = 34,312,518,367.11
  5. Step 5: Solve for x
    x = 34,312,518,367.11/162,790.22
  6. Step 6: Final answer
    x = 210,777.51

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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.