Home / 188,129.59-282,273.55-117,111.67

Finding the Fourth Proportional to 188,129.59, 282,273.55 and 117,111.67

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Solution

The fourth proportional to 188,129.59, 282,273.55 and 117,111.67 is: 175,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,129.59 : 282,273.55 = 117,111.67 : x
  2. Step 2: Convert to fraction form
    188,129.59/282,273.55 = 117,111.67/x
  3. Step 3: Cross multiply
    188,129.59x = 282,273.55 × 117,111.67
  4. Step 4: Simplify right side
    188,129.59x = 33,057,525,838.87
  5. Step 5: Solve for x
    x = 33,057,525,838.87/188,129.59
  6. Step 6: Final answer
    x = 175,716.78

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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.