Home / 189,106.85-283,277.55-117,810.65

Finding the Fourth Proportional to 189,106.85, 283,277.55 and 117,810.65

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Solution

The fourth proportional to 189,106.85, 283,277.55 and 117,810.65 is: 176,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,106.85 : 283,277.55 = 117,810.65 : x
  2. Step 2: Convert to fraction form
    189,106.85/283,277.55 = 117,810.65/x
  3. Step 3: Cross multiply
    189,106.85x = 283,277.55 × 117,810.65
  4. Step 4: Simplify right side
    189,106.85x = 33,373,112,295.91
  5. Step 5: Solve for x
    x = 33,373,112,295.91/189,106.85
  6. Step 6: Final answer
    x = 176,477.54

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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.