Home / 212,795.43-293,678.37-158,987.04

Finding the Fourth Proportional to 212,795.43, 293,678.37 and 158,987.04

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Solution

The fourth proportional to 212,795.43, 293,678.37 and 158,987.04 is: 219,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,795.43 : 293,678.37 = 158,987.04 : x
  2. Step 2: Convert to fraction form
    212,795.43/293,678.37 = 158,987.04/x
  3. Step 3: Cross multiply
    212,795.43x = 293,678.37 × 158,987.04
  4. Step 4: Simplify right side
    212,795.43x = 46,691,054,758.32
  5. Step 5: Solve for x
    x = 46,691,054,758.32/212,795.43
  6. Step 6: Final answer
    x = 219,417.56

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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.