Home / 211,369.10-291,680.19-126,532.94

Finding the Fourth Proportional to 211,369.10, 291,680.19 and 126,532.94

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Solution

The fourth proportional to 211,369.10, 291,680.19 and 126,532.94 is: 174,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,369.10 : 291,680.19 = 126,532.94 : x
  2. Step 2: Convert to fraction form
    211,369.10/291,680.19 = 126,532.94/x
  3. Step 3: Cross multiply
    211,369.10x = 291,680.19 × 126,532.94
  4. Step 4: Simplify right side
    211,369.10x = 36,907,150,522.06
  5. Step 5: Solve for x
    x = 36,907,150,522.06/211,369.10
  6. Step 6: Final answer
    x = 174,609.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.