Home / 171,828.66-257,613.38-112,679.22

Finding the Fourth Proportional to 171,828.66, 257,613.38 and 112,679.22

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Solution

The fourth proportional to 171,828.66, 257,613.38 and 112,679.22 is: 168,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,828.66 : 257,613.38 = 112,679.22 : x
  2. Step 2: Convert to fraction form
    171,828.66/257,613.38 = 112,679.22/x
  3. Step 3: Cross multiply
    171,828.66x = 257,613.38 × 112,679.22
  4. Step 4: Simplify right side
    171,828.66x = 29,027,674,719.96
  5. Step 5: Solve for x
    x = 29,027,674,719.96/171,828.66
  6. Step 6: Final answer
    x = 168,933.84

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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.