Home / 236,425.70-354,638.55-118,115.30

Finding the Fourth Proportional to 236,425.70, 354,638.55 and 118,115.30

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Solution

The fourth proportional to 236,425.70, 354,638.55 and 118,115.30 is: 177,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,425.70 : 354,638.55 = 118,115.30 : x
  2. Step 2: Convert to fraction form
    236,425.70/354,638.55 = 118,115.30/x
  3. Step 3: Cross multiply
    236,425.70x = 354,638.55 × 118,115.30
  4. Step 4: Simplify right side
    236,425.70x = 41,888,238,724.82
  5. Step 5: Solve for x
    x = 41,888,238,724.82/236,425.70
  6. Step 6: Final answer
    x = 177,172.95

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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.