Home / 211,571.28-291,967.20-116,075.52

Finding the Fourth Proportional to 211,571.28, 291,967.20 and 116,075.52

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Solution

The fourth proportional to 211,571.28, 291,967.20 and 116,075.52 is: 160,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,571.28 : 291,967.20 = 116,075.52 : x
  2. Step 2: Convert to fraction form
    211,571.28/291,967.20 = 116,075.52/x
  3. Step 3: Cross multiply
    211,571.28x = 291,967.20 × 116,075.52
  4. Step 4: Simplify right side
    211,571.28x = 33,890,244,562.94
  5. Step 5: Solve for x
    x = 33,890,244,562.94/211,571.28
  6. Step 6: Final answer
    x = 160,183.58

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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.