Home / 118,351.56-163,326.06-64,635.60

Finding the Fourth Proportional to 118,351.56, 163,326.06 and 64,635.60

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Solution

The fourth proportional to 118,351.56, 163,326.06 and 64,635.60 is: 89,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,351.56 : 163,326.06 = 64,635.60 : x
  2. Step 2: Convert to fraction form
    118,351.56/163,326.06 = 64,635.60/x
  3. Step 3: Cross multiply
    118,351.56x = 163,326.06 × 64,635.60
  4. Step 4: Simplify right side
    118,351.56x = 10,556,677,883.74
  5. Step 5: Solve for x
    x = 10,556,677,883.74/118,351.56
  6. Step 6: Final answer
    x = 89,197.62

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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.