Home / 236,941.46-355,430.55-79,170.47

Finding the Fourth Proportional to 236,941.46, 355,430.55 and 79,170.47

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Solution

The fourth proportional to 236,941.46, 355,430.55 and 79,170.47 is: 118,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,941.46 : 355,430.55 = 79,170.47 : x
  2. Step 2: Convert to fraction form
    236,941.46/355,430.55 = 79,170.47/x
  3. Step 3: Cross multiply
    236,941.46x = 355,430.55 × 79,170.47
  4. Step 4: Simplify right side
    236,941.46x = 28,139,603,695.86
  5. Step 5: Solve for x
    x = 28,139,603,695.86/236,941.46
  6. Step 6: Final answer
    x = 118,761.84

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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.