Home / 212,922.77-293,759.21-136,484.00

Finding the Fourth Proportional to 212,922.77, 293,759.21 and 136,484.00

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Solution

The fourth proportional to 212,922.77, 293,759.21 and 136,484.00 is: 188,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,922.77 : 293,759.21 = 136,484.00 : x
  2. Step 2: Convert to fraction form
    212,922.77/293,759.21 = 136,484.00/x
  3. Step 3: Cross multiply
    212,922.77x = 293,759.21 × 136,484.00
  4. Step 4: Simplify right side
    212,922.77x = 40,093,431,991.65
  5. Step 5: Solve for x
    x = 40,093,431,991.65/212,922.77
  6. Step 6: Final answer
    x = 188,300.35

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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.