Home / 199,135.19-298,013.88-190,868.33

Finding the Fourth Proportional to 199,135.19, 298,013.88 and 190,868.33

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Solution

The fourth proportional to 199,135.19, 298,013.88 and 190,868.33 is: 285,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,135.19 : 298,013.88 = 190,868.33 : x
  2. Step 2: Convert to fraction form
    199,135.19/298,013.88 = 190,868.33/x
  3. Step 3: Cross multiply
    199,135.19x = 298,013.88 × 190,868.33
  4. Step 4: Simplify right side
    199,135.19x = 56,881,411,592.42
  5. Step 5: Solve for x
    x = 56,881,411,592.42/199,135.19
  6. Step 6: Final answer
    x = 285,642.19

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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.