Home / 211,305.56-317,353.21-186,014.12

Finding the Fourth Proportional to 211,305.56, 317,353.21 and 186,014.12

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Solution

The fourth proportional to 211,305.56, 317,353.21 and 186,014.12 is: 279,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,305.56 : 317,353.21 = 186,014.12 : x
  2. Step 2: Convert to fraction form
    211,305.56/317,353.21 = 186,014.12/x
  3. Step 3: Cross multiply
    211,305.56x = 317,353.21 × 186,014.12
  4. Step 4: Simplify right side
    211,305.56x = 59,032,176,035.52
  5. Step 5: Solve for x
    x = 59,032,176,035.52/211,305.56
  6. Step 6: Final answer
    x = 279,368.78

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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.