Home / 118,566.23-163,756.22-79,736.58

Finding the Fourth Proportional to 118,566.23, 163,756.22 and 79,736.58

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Solution

The fourth proportional to 118,566.23, 163,756.22 and 79,736.58 is: 110,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,566.23 : 163,756.22 = 79,736.58 : x
  2. Step 2: Convert to fraction form
    118,566.23/163,756.22 = 79,736.58/x
  3. Step 3: Cross multiply
    118,566.23x = 163,756.22 × 79,736.58
  4. Step 4: Simplify right side
    118,566.23x = 13,057,360,537.84
  5. Step 5: Solve for x
    x = 13,057,360,537.84/118,566.23
  6. Step 6: Final answer
    x = 110,127.15

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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.