Home / 248,707.16-373,133.64-80,224.12

Finding the Fourth Proportional to 248,707.16, 373,133.64 and 80,224.12

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Solution

The fourth proportional to 248,707.16, 373,133.64 and 80,224.12 is: 120,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,707.16 : 373,133.64 = 80,224.12 : x
  2. Step 2: Convert to fraction form
    248,707.16/373,133.64 = 80,224.12/x
  3. Step 3: Cross multiply
    248,707.16x = 373,133.64 × 80,224.12
  4. Step 4: Simplify right side
    248,707.16x = 29,934,317,911.40
  5. Step 5: Solve for x
    x = 29,934,317,911.40/248,707.16
  6. Step 6: Final answer
    x = 120,359.69

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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.