Home / 153,910.66-212,516.94-118,043.86

Finding the Fourth Proportional to 153,910.66, 212,516.94 and 118,043.86

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Solution

The fourth proportional to 153,910.66, 212,516.94 and 118,043.86 is: 162,992.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,910.66 : 212,516.94 = 118,043.86 : x
  2. Step 2: Convert to fraction form
    153,910.66/212,516.94 = 118,043.86/x
  3. Step 3: Cross multiply
    153,910.66x = 212,516.94 × 118,043.86
  4. Step 4: Simplify right side
    153,910.66x = 25,086,319,912.99
  5. Step 5: Solve for x
    x = 25,086,319,912.99/153,910.66
  6. Step 6: Final answer
    x = 162,992.74

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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.