Home / 205,746.12-283,923.12-115,103.67

Finding the Fourth Proportional to 205,746.12, 283,923.12 and 115,103.67

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Solution

The fourth proportional to 205,746.12, 283,923.12 and 115,103.67 is: 158,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,746.12 : 283,923.12 = 115,103.67 : x
  2. Step 2: Convert to fraction form
    205,746.12/283,923.12 = 115,103.67/x
  3. Step 3: Cross multiply
    205,746.12x = 283,923.12 × 115,103.67
  4. Step 4: Simplify right side
    205,746.12x = 32,680,593,109.85
  5. Step 5: Solve for x
    x = 32,680,593,109.85/205,746.12
  6. Step 6: Final answer
    x = 158,839.41

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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.