Home / 211,416.20-317,170.95-61,668.21

Finding the Fourth Proportional to 211,416.20, 317,170.95 and 61,668.21

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Solution

The fourth proportional to 211,416.20, 317,170.95 and 61,668.21 is: 92,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,416.20 : 317,170.95 = 61,668.21 : x
  2. Step 2: Convert to fraction form
    211,416.20/317,170.95 = 61,668.21/x
  3. Step 3: Cross multiply
    211,416.20x = 317,170.95 × 61,668.21
  4. Step 4: Simplify right side
    211,416.20x = 19,559,364,750.50
  5. Step 5: Solve for x
    x = 19,559,364,750.50/211,416.20
  6. Step 6: Final answer
    x = 92,515.92

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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.