Home / 211,014.06-291,205.96-115,529.64

Finding the Fourth Proportional to 211,014.06, 291,205.96 and 115,529.64

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Solution

The fourth proportional to 211,014.06, 291,205.96 and 115,529.64 is: 159,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,014.06 : 291,205.96 = 115,529.64 : x
  2. Step 2: Convert to fraction form
    211,014.06/291,205.96 = 115,529.64/x
  3. Step 3: Cross multiply
    211,014.06x = 291,205.96 × 115,529.64
  4. Step 4: Simplify right side
    211,014.06x = 33,642,919,724.65
  5. Step 5: Solve for x
    x = 33,642,919,724.65/211,014.06
  6. Step 6: Final answer
    x = 159,434.49

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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.