Home / 118,170.07-163,075.20-64,456.24

Finding the Fourth Proportional to 118,170.07, 163,075.20 and 64,456.24

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Solution

The fourth proportional to 118,170.07, 163,075.20 and 64,456.24 is: 88,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,170.07 : 163,075.20 = 64,456.24 : x
  2. Step 2: Convert to fraction form
    118,170.07/163,075.20 = 64,456.24/x
  3. Step 3: Cross multiply
    118,170.07x = 163,075.20 × 64,456.24
  4. Step 4: Simplify right side
    118,170.07x = 10,511,213,982.70
  5. Step 5: Solve for x
    x = 10,511,213,982.70/118,170.07
  6. Step 6: Final answer
    x = 88,949.89

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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.