Home / 238,928.02-358,613.76-120,682.42

Finding the Fourth Proportional to 238,928.02, 358,613.76 and 120,682.42

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Solution

The fourth proportional to 238,928.02, 358,613.76 and 120,682.42 is: 181,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,928.02 : 358,613.76 = 120,682.42 : x
  2. Step 2: Convert to fraction form
    238,928.02/358,613.76 = 120,682.42/x
  3. Step 3: Cross multiply
    238,928.02x = 358,613.76 × 120,682.42
  4. Step 4: Simplify right side
    238,928.02x = 43,278,376,402.10
  5. Step 5: Solve for x
    x = 43,278,376,402.10/238,928.02
  6. Step 6: Final answer
    x = 181,135.63

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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.