Home / 209,150.49-313,587.04-76,014.93

Finding the Fourth Proportional to 209,150.49, 313,587.04 and 76,014.93

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Solution

The fourth proportional to 209,150.49, 313,587.04 and 76,014.93 is: 113,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,150.49 : 313,587.04 = 76,014.93 : x
  2. Step 2: Convert to fraction form
    209,150.49/313,587.04 = 76,014.93/x
  3. Step 3: Cross multiply
    209,150.49x = 313,587.04 × 76,014.93
  4. Step 4: Simplify right side
    209,150.49x = 23,837,296,894.51
  5. Step 5: Solve for x
    x = 23,837,296,894.51/209,150.49
  6. Step 6: Final answer
    x = 113,971.99

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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.