Home / 118,349.43-163,323.51-64,636.02

Finding the Fourth Proportional to 118,349.43, 163,323.51 and 64,636.02

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Solution

The fourth proportional to 118,349.43, 163,323.51 and 64,636.02 is: 89,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,349.43 : 163,323.51 = 64,636.02 : x
  2. Step 2: Convert to fraction form
    118,349.43/163,323.51 = 64,636.02/x
  3. Step 3: Cross multiply
    118,349.43x = 163,323.51 × 64,636.02
  4. Step 4: Simplify right side
    118,349.43x = 10,556,581,658.83
  5. Step 5: Solve for x
    x = 10,556,581,658.83/118,349.43
  6. Step 6: Final answer
    x = 89,198.42

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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.