Home / 144,428.50-199,307.60-79,896.06

Finding the Fourth Proportional to 144,428.50, 199,307.60 and 79,896.06

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Solution

The fourth proportional to 144,428.50, 199,307.60 and 79,896.06 is: 110,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,428.50 : 199,307.60 = 79,896.06 : x
  2. Step 2: Convert to fraction form
    144,428.50/199,307.60 = 79,896.06/x
  3. Step 3: Cross multiply
    144,428.50x = 199,307.60 × 79,896.06
  4. Step 4: Simplify right side
    144,428.50x = 15,923,891,968.06
  5. Step 5: Solve for x
    x = 15,923,891,968.06/144,428.50
  6. Step 6: Final answer
    x = 110,254.50

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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.