Home / 205,756.33-283,954.76-115,106.89

Finding the Fourth Proportional to 205,756.33, 283,954.76 and 115,106.89

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Solution

The fourth proportional to 205,756.33, 283,954.76 and 115,106.89 is: 158,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,756.33 : 283,954.76 = 115,106.89 : x
  2. Step 2: Convert to fraction form
    205,756.33/283,954.76 = 115,106.89/x
  3. Step 3: Cross multiply
    205,756.33x = 283,954.76 × 115,106.89
  4. Step 4: Simplify right side
    205,756.33x = 32,685,147,904.52
  5. Step 5: Solve for x
    x = 32,685,147,904.52/205,756.33
  6. Step 6: Final answer
    x = 158,853.67

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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.