Home / 131,070.75-196,556.21-46,815.15

Finding the Fourth Proportional to 131,070.75, 196,556.21 and 46,815.15

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Solution

The fourth proportional to 131,070.75, 196,556.21 and 46,815.15 is: 70,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,070.75 : 196,556.21 = 46,815.15 : x
  2. Step 2: Convert to fraction form
    131,070.75/196,556.21 = 46,815.15/x
  3. Step 3: Cross multiply
    131,070.75x = 196,556.21 × 46,815.15
  4. Step 4: Simplify right side
    131,070.75x = 9,201,808,220.51
  5. Step 5: Solve for x
    x = 9,201,808,220.51/131,070.75
  6. Step 6: Final answer
    x = 70,204.89

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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.