Home / 140,678.24-211,048.96-47,181.60

Finding the Fourth Proportional to 140,678.24, 211,048.96 and 47,181.60

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Solution

The fourth proportional to 140,678.24, 211,048.96 and 47,181.60 is: 70,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,678.24 : 211,048.96 = 47,181.60 : x
  2. Step 2: Convert to fraction form
    140,678.24/211,048.96 = 47,181.60/x
  3. Step 3: Cross multiply
    140,678.24x = 211,048.96 × 47,181.60
  4. Step 4: Simplify right side
    140,678.24x = 9,957,627,611.14
  5. Step 5: Solve for x
    x = 9,957,627,611.14/140,678.24
  6. Step 6: Final answer
    x = 70,783.00

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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.