Home / 211,811.84-317,790.65-132,833.60

Finding the Fourth Proportional to 211,811.84, 317,790.65 and 132,833.60

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Solution

The fourth proportional to 211,811.84, 317,790.65 and 132,833.60 is: 199,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,811.84 : 317,790.65 = 132,833.60 : x
  2. Step 2: Convert to fraction form
    211,811.84/317,790.65 = 132,833.60/x
  3. Step 3: Cross multiply
    211,811.84x = 317,790.65 × 132,833.60
  4. Step 4: Simplify right side
    211,811.84x = 42,213,276,085.84
  5. Step 5: Solve for x
    x = 42,213,276,085.84/211,811.84
  6. Step 6: Final answer
    x = 199,296.11

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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.