Home / 118,330.56-163,297.08-64,614.60

Finding the Fourth Proportional to 118,330.56, 163,297.08 and 64,614.60

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Solution

The fourth proportional to 118,330.56, 163,297.08 and 64,614.60 is: 89,168.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,330.56 : 163,297.08 = 64,614.60 : x
  2. Step 2: Convert to fraction form
    118,330.56/163,297.08 = 64,614.60/x
  3. Step 3: Cross multiply
    118,330.56x = 163,297.08 × 64,614.60
  4. Step 4: Simplify right side
    118,330.56x = 10,551,375,505.37
  5. Step 5: Solve for x
    x = 10,551,375,505.37/118,330.56
  6. Step 6: Final answer
    x = 89,168.64

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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.