Home / 161,511.32-242,289.14-54,866.64

Finding the Fourth Proportional to 161,511.32, 242,289.14 and 54,866.64

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Solution

The fourth proportional to 161,511.32, 242,289.14 and 54,866.64 is: 82,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,511.32 : 242,289.14 = 54,866.64 : x
  2. Step 2: Convert to fraction form
    161,511.32/242,289.14 = 54,866.64/x
  3. Step 3: Cross multiply
    161,511.32x = 242,289.14 × 54,866.64
  4. Step 4: Simplify right side
    161,511.32x = 13,293,590,745.96
  5. Step 5: Solve for x
    x = 13,293,590,745.96/161,511.32
  6. Step 6: Final answer
    x = 82,307.48

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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.