Home / 269,075.40-403,087.68-163,632.84

Finding the Fourth Proportional to 269,075.40, 403,087.68 and 163,632.84

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Solution

The fourth proportional to 269,075.40, 403,087.68 and 163,632.84 is: 245,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,075.40 : 403,087.68 = 163,632.84 : x
  2. Step 2: Convert to fraction form
    269,075.40/403,087.68 = 163,632.84/x
  3. Step 3: Cross multiply
    269,075.40x = 403,087.68 × 163,632.84
  4. Step 4: Simplify right side
    269,075.40x = 65,958,381,847.41
  5. Step 5: Solve for x
    x = 65,958,381,847.41/269,075.40
  6. Step 6: Final answer
    x = 245,129.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.