Home / 204,038.53-281,566.43-112,158.12

Finding the Fourth Proportional to 204,038.53, 281,566.43 and 112,158.12

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Solution

The fourth proportional to 204,038.53, 281,566.43 and 112,158.12 is: 154,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,038.53 : 281,566.43 = 112,158.12 : x
  2. Step 2: Convert to fraction form
    204,038.53/281,566.43 = 112,158.12/x
  3. Step 3: Cross multiply
    204,038.53x = 281,566.43 × 112,158.12
  4. Step 4: Simplify right side
    204,038.53x = 31,579,961,443.91
  5. Step 5: Solve for x
    x = 31,579,961,443.91/204,038.53
  6. Step 6: Final answer
    x = 154,774.50

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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.