Home / 118,525.87-163,534.18-67,537.51

Finding the Fourth Proportional to 118,525.87, 163,534.18 and 67,537.51

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Solution

The fourth proportional to 118,525.87, 163,534.18 and 67,537.51 is: 93,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,525.87 : 163,534.18 = 67,537.51 : x
  2. Step 2: Convert to fraction form
    118,525.87/163,534.18 = 67,537.51/x
  3. Step 3: Cross multiply
    118,525.87x = 163,534.18 × 67,537.51
  4. Step 4: Simplify right side
    118,525.87x = 11,044,691,001.04
  5. Step 5: Solve for x
    x = 11,044,691,001.04/118,525.87
  6. Step 6: Final answer
    x = 93,183.80

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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.