Home / 211,366.34-317,186.95-91,540.29

Finding the Fourth Proportional to 211,366.34, 317,186.95 and 91,540.29

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Solution

The fourth proportional to 211,366.34, 317,186.95 and 91,540.29 is: 137,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,366.34 : 317,186.95 = 91,540.29 : x
  2. Step 2: Convert to fraction form
    211,366.34/317,186.95 = 91,540.29/x
  3. Step 3: Cross multiply
    211,366.34x = 317,186.95 × 91,540.29
  4. Step 4: Simplify right side
    211,366.34x = 29,035,385,387.22
  5. Step 5: Solve for x
    x = 29,035,385,387.22/211,366.34
  6. Step 6: Final answer
    x = 137,369.96

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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.