Home / 211,860.48-317,790.24-54,088.80

Finding the Fourth Proportional to 211,860.48, 317,790.24 and 54,088.80

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Solution

The fourth proportional to 211,860.48, 317,790.24 and 54,088.80 is: 81,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,860.48 : 317,790.24 = 54,088.80 : x
  2. Step 2: Convert to fraction form
    211,860.48/317,790.24 = 54,088.80/x
  3. Step 3: Cross multiply
    211,860.48x = 317,790.24 × 54,088.80
  4. Step 4: Simplify right side
    211,860.48x = 17,188,892,733.31
  5. Step 5: Solve for x
    x = 17,188,892,733.31/211,860.48
  6. Step 6: Final answer
    x = 81,133.08

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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.