Home / 215,168.11-296,922.60-118,365.82

Finding the Fourth Proportional to 215,168.11, 296,922.60 and 118,365.82

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Solution

The fourth proportional to 215,168.11, 296,922.60 and 118,365.82 is: 163,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,168.11 : 296,922.60 = 118,365.82 : x
  2. Step 2: Convert to fraction form
    215,168.11/296,922.60 = 118,365.82/x
  3. Step 3: Cross multiply
    215,168.11x = 296,922.60 × 118,365.82
  4. Step 4: Simplify right side
    215,168.11x = 35,145,487,025.53
  5. Step 5: Solve for x
    x = 35,145,487,025.53/215,168.11
  6. Step 6: Final answer
    x = 163,339.67

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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.