Home / 212,984.96-293,920.20-117,491.63

Finding the Fourth Proportional to 212,984.96, 293,920.20 and 117,491.63

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Solution

The fourth proportional to 212,984.96, 293,920.20 and 117,491.63 is: 162,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,984.96 : 293,920.20 = 117,491.63 : x
  2. Step 2: Convert to fraction form
    212,984.96/293,920.20 = 117,491.63/x
  3. Step 3: Cross multiply
    212,984.96x = 293,920.20 × 117,491.63
  4. Step 4: Simplify right side
    212,984.96x = 34,533,161,918.33
  5. Step 5: Solve for x
    x = 34,533,161,918.33/212,984.96
  6. Step 6: Final answer
    x = 162,138.97

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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.