Home / 402,845.37-604,352.91-118,512.15

Finding the Fourth Proportional to 402,845.37, 604,352.91 and 118,512.15

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Solution

The fourth proportional to 402,845.37, 604,352.91 and 118,512.15 is: 177,793.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,845.37 : 604,352.91 = 118,512.15 : x
  2. Step 2: Convert to fraction form
    402,845.37/604,352.91 = 118,512.15/x
  3. Step 3: Cross multiply
    402,845.37x = 604,352.91 × 118,512.15
  4. Step 4: Simplify right side
    402,845.37x = 71,623,162,722.86
  5. Step 5: Solve for x
    x = 71,623,162,722.86/402,845.37
  6. Step 6: Final answer
    x = 177,793.19

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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.