Home / 199,312.11-298,881.54-57,126.06

Finding the Fourth Proportional to 199,312.11, 298,881.54 and 57,126.06

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Solution

The fourth proportional to 199,312.11, 298,881.54 and 57,126.06 is: 85,664.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,312.11 : 298,881.54 = 57,126.06 : x
  2. Step 2: Convert to fraction form
    199,312.11/298,881.54 = 57,126.06/x
  3. Step 3: Cross multiply
    199,312.11x = 298,881.54 × 57,126.06
  4. Step 4: Simplify right side
    199,312.11x = 17,073,924,786.93
  5. Step 5: Solve for x
    x = 17,073,924,786.93/199,312.11
  6. Step 6: Final answer
    x = 85,664.26

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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.