Home / 211,226.02-291,491.85-115,736.34

Finding the Fourth Proportional to 211,226.02, 291,491.85 and 115,736.34

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Solution

The fourth proportional to 211,226.02, 291,491.85 and 115,736.34 is: 159,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,226.02 : 291,491.85 = 115,736.34 : x
  2. Step 2: Convert to fraction form
    211,226.02/291,491.85 = 115,736.34/x
  3. Step 3: Cross multiply
    211,226.02x = 291,491.85 × 115,736.34
  4. Step 4: Simplify right side
    211,226.02x = 33,736,199,858.83
  5. Step 5: Solve for x
    x = 33,736,199,858.83/211,226.02
  6. Step 6: Final answer
    x = 159,716.12

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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.