Home / 209,670.08-289,349.33-114,176.78

Finding the Fourth Proportional to 209,670.08, 289,349.33 and 114,176.78

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Solution

The fourth proportional to 209,670.08, 289,349.33 and 114,176.78 is: 157,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,670.08 : 289,349.33 = 114,176.78 : x
  2. Step 2: Convert to fraction form
    209,670.08/289,349.33 = 114,176.78/x
  3. Step 3: Cross multiply
    209,670.08x = 289,349.33 × 114,176.78
  4. Step 4: Simplify right side
    209,670.08x = 33,036,973,615.65
  5. Step 5: Solve for x
    x = 33,036,973,615.65/209,670.08
  6. Step 6: Final answer
    x = 157,566.46

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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.