Home / 188,362.40-259,824.92-111,829.55

Finding the Fourth Proportional to 188,362.40, 259,824.92 and 111,829.55

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Solution

The fourth proportional to 188,362.40, 259,824.92 and 111,829.55 is: 154,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,362.40 : 259,824.92 = 111,829.55 : x
  2. Step 2: Convert to fraction form
    188,362.40/259,824.92 = 111,829.55/x
  3. Step 3: Cross multiply
    188,362.40x = 259,824.92 × 111,829.55
  4. Step 4: Simplify right side
    188,362.40x = 29,056,102,024.11
  5. Step 5: Solve for x
    x = 29,056,102,024.11/188,362.40
  6. Step 6: Final answer
    x = 154,256.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.