Home / 162,075.45-223,396.42-108,340.86

Finding the Fourth Proportional to 162,075.45, 223,396.42 and 108,340.86

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Solution

The fourth proportional to 162,075.45, 223,396.42 and 108,340.86 is: 149,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,075.45 : 223,396.42 = 108,340.86 : x
  2. Step 2: Convert to fraction form
    162,075.45/223,396.42 = 108,340.86/x
  3. Step 3: Cross multiply
    162,075.45x = 223,396.42 × 108,340.86
  4. Step 4: Simplify right side
    162,075.45x = 24,202,959,722.02
  5. Step 5: Solve for x
    x = 24,202,959,722.02/162,075.45
  6. Step 6: Final answer
    x = 149,331.44

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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.