Home / 211,830.27-317,591.55-99,452.67

Finding the Fourth Proportional to 211,830.27, 317,591.55 and 99,452.67

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Solution

The fourth proportional to 211,830.27, 317,591.55 and 99,452.67 is: 149,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,830.27 : 317,591.55 = 99,452.67 : x
  2. Step 2: Convert to fraction form
    211,830.27/317,591.55 = 99,452.67/x
  3. Step 3: Cross multiply
    211,830.27x = 317,591.55 × 99,452.67
  4. Step 4: Simplify right side
    211,830.27x = 31,585,327,616.94
  5. Step 5: Solve for x
    x = 31,585,327,616.94/211,830.27
  6. Step 6: Final answer
    x = 149,106.77

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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.