Home / 188,206.73-259,708.02-111,712.76

Finding the Fourth Proportional to 188,206.73, 259,708.02 and 111,712.76

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Solution

The fourth proportional to 188,206.73, 259,708.02 and 111,712.76 is: 154,153.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,206.73 : 259,708.02 = 111,712.76 : x
  2. Step 2: Convert to fraction form
    188,206.73/259,708.02 = 111,712.76/x
  3. Step 3: Cross multiply
    188,206.73x = 259,708.02 × 111,712.76
  4. Step 4: Simplify right side
    188,206.73x = 29,012,698,409.80
  5. Step 5: Solve for x
    x = 29,012,698,409.80/188,206.73
  6. Step 6: Final answer
    x = 154,153.36

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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.