Home / 118,417.79-177,704.04-43,538.55

Finding the Fourth Proportional to 118,417.79, 177,704.04 and 43,538.55

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Solution

The fourth proportional to 118,417.79, 177,704.04 and 43,538.55 is: 65,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,417.79 : 177,704.04 = 43,538.55 : x
  2. Step 2: Convert to fraction form
    118,417.79/177,704.04 = 43,538.55/x
  3. Step 3: Cross multiply
    118,417.79x = 177,704.04 × 43,538.55
  4. Step 4: Simplify right side
    118,417.79x = 7,736,976,230.74
  5. Step 5: Solve for x
    x = 7,736,976,230.74/118,417.79
  6. Step 6: Final answer
    x = 65,336.27

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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.