Home / 211,584.35-317,153.27-69,392.45

Finding the Fourth Proportional to 211,584.35, 317,153.27 and 69,392.45

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Solution

The fourth proportional to 211,584.35, 317,153.27 and 69,392.45 is: 104,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,584.35 : 317,153.27 = 69,392.45 : x
  2. Step 2: Convert to fraction form
    211,584.35/317,153.27 = 69,392.45/x
  3. Step 3: Cross multiply
    211,584.35x = 317,153.27 × 69,392.45
  4. Step 4: Simplify right side
    211,584.35x = 22,008,041,613.19
  5. Step 5: Solve for x
    x = 22,008,041,613.19/211,584.35
  6. Step 6: Final answer
    x = 104,015.45

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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.