Home / 118,270.59-163,212.75-64,555.44

Finding the Fourth Proportional to 118,270.59, 163,212.75 and 64,555.44

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Solution

The fourth proportional to 118,270.59, 163,212.75 and 64,555.44 is: 89,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,270.59 : 163,212.75 = 64,555.44 : x
  2. Step 2: Convert to fraction form
    118,270.59/163,212.75 = 64,555.44/x
  3. Step 3: Cross multiply
    118,270.59x = 163,212.75 × 64,555.44
  4. Step 4: Simplify right side
    118,270.59x = 10,536,270,889.86
  5. Step 5: Solve for x
    x = 10,536,270,889.86/118,270.59
  6. Step 6: Final answer
    x = 89,086.14

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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.