Home / 290,986.14-436,585.82-122,548.86

Finding the Fourth Proportional to 290,986.14, 436,585.82 and 122,548.86

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Solution

The fourth proportional to 290,986.14, 436,585.82 and 122,548.86 is: 183,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,986.14 : 436,585.82 = 122,548.86 : x
  2. Step 2: Convert to fraction form
    290,986.14/436,585.82 = 122,548.86/x
  3. Step 3: Cross multiply
    290,986.14x = 436,585.82 × 122,548.86
  4. Step 4: Simplify right side
    290,986.14x = 53,503,094,533.17
  5. Step 5: Solve for x
    x = 53,503,094,533.17/290,986.14
  6. Step 6: Final answer
    x = 183,868.19

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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.