Home / 177,746.40-266,619.60-172,825.65

Finding the Fourth Proportional to 177,746.40, 266,619.60 and 172,825.65

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Solution

The fourth proportional to 177,746.40, 266,619.60 and 172,825.65 is: 259,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,746.40 : 266,619.60 = 172,825.65 : x
  2. Step 2: Convert to fraction form
    177,746.40/266,619.60 = 172,825.65/x
  3. Step 3: Cross multiply
    177,746.40x = 266,619.60 × 172,825.65
  4. Step 4: Simplify right side
    177,746.40x = 46,078,705,672.74
  5. Step 5: Solve for x
    x = 46,078,705,672.74/177,746.40
  6. Step 6: Final answer
    x = 259,238.48

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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.