Home / 204,070.64-281,603.82-113,420.72

Finding the Fourth Proportional to 204,070.64, 281,603.82 and 113,420.72

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Solution

The fourth proportional to 204,070.64, 281,603.82 and 113,420.72 is: 156,513.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,070.64 : 281,603.82 = 113,420.72 : x
  2. Step 2: Convert to fraction form
    204,070.64/281,603.82 = 113,420.72/x
  3. Step 3: Cross multiply
    204,070.64x = 281,603.82 × 113,420.72
  4. Step 4: Simplify right side
    204,070.64x = 31,939,708,019.15
  5. Step 5: Solve for x
    x = 31,939,708,019.15/204,070.64
  6. Step 6: Final answer
    x = 156,513.00

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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.