Home / 212,814.56-293,686.08-117,324.64

Finding the Fourth Proportional to 212,814.56, 293,686.08 and 117,324.64

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Solution

The fourth proportional to 212,814.56, 293,686.08 and 117,324.64 is: 161,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,814.56 : 293,686.08 = 117,324.64 : x
  2. Step 2: Convert to fraction form
    212,814.56/293,686.08 = 117,324.64/x
  3. Step 3: Cross multiply
    212,814.56x = 293,686.08 × 117,324.64
  4. Step 4: Simplify right side
    212,814.56x = 34,456,613,609.01
  5. Step 5: Solve for x
    x = 34,456,613,609.01/212,814.56
  6. Step 6: Final answer
    x = 161,909.10

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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.