Home / 209,185.76-313,680.62-75,973.16

Finding the Fourth Proportional to 209,185.76, 313,680.62 and 75,973.16

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Solution

The fourth proportional to 209,185.76, 313,680.62 and 75,973.16 is: 113,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,185.76 : 313,680.62 = 75,973.16 : x
  2. Step 2: Convert to fraction form
    209,185.76/313,680.62 = 75,973.16/x
  3. Step 3: Cross multiply
    209,185.76x = 313,680.62 × 75,973.16
  4. Step 4: Simplify right side
    209,185.76x = 23,831,307,932.16
  5. Step 5: Solve for x
    x = 23,831,307,932.16/209,185.76
  6. Step 6: Final answer
    x = 113,924.14

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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.