Home / 220,674.96-304,533-120,075.12

Finding the Fourth Proportional to 220,674.96, 304,533 and 120,075.12

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Solution

The fourth proportional to 220,674.96, 304,533 and 120,075.12 is: 165,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,674.96 : 304,533 = 120,075.12 : x
  2. Step 2: Convert to fraction form
    220,674.96/304,533 = 120,075.12/x
  3. Step 3: Cross multiply
    220,674.96x = 304,533 × 120,075.12
  4. Step 4: Simplify right side
    220,674.96x = 36,566,836,518.96
  5. Step 5: Solve for x
    x = 36,566,836,518.96/220,674.96
  6. Step 6: Final answer
    x = 165,704.51

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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.