Home / 118,170.26-163,075.46-64,456.43

Finding the Fourth Proportional to 118,170.26, 163,075.46 and 64,456.43

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Solution

The fourth proportional to 118,170.26, 163,075.46 and 64,456.43 is: 88,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,170.26 : 163,075.46 = 64,456.43 : x
  2. Step 2: Convert to fraction form
    118,170.26/163,075.46 = 64,456.43/x
  3. Step 3: Cross multiply
    118,170.26x = 163,075.46 × 64,456.43
  4. Step 4: Simplify right side
    118,170.26x = 10,511,261,317.97
  5. Step 5: Solve for x
    x = 10,511,261,317.97/118,170.26
  6. Step 6: Final answer
    x = 88,950.15

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1.5x scale

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.