Home / 117,860.80-176,793.04-111,879.36

Finding the Fourth Proportional to 117,860.80, 176,793.04 and 111,879.36

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Solution

The fourth proportional to 117,860.80, 176,793.04 and 111,879.36 is: 167,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,860.80 : 176,793.04 = 111,879.36 : x
  2. Step 2: Convert to fraction form
    117,860.80/176,793.04 = 111,879.36/x
  3. Step 3: Cross multiply
    117,860.80x = 176,793.04 × 111,879.36
  4. Step 4: Simplify right side
    117,860.80x = 19,779,492,167.65
  5. Step 5: Solve for x
    x = 19,779,492,167.65/117,860.80
  6. Step 6: Final answer
    x = 167,820.79

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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.