Home / 208,866.35-313,301.19-59,111.51

Finding the Fourth Proportional to 208,866.35, 313,301.19 and 59,111.51

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Solution

The fourth proportional to 208,866.35, 313,301.19 and 59,111.51 is: 88,667.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,866.35 : 313,301.19 = 59,111.51 : x
  2. Step 2: Convert to fraction form
    208,866.35/313,301.19 = 59,111.51/x
  3. Step 3: Cross multiply
    208,866.35x = 313,301.19 × 59,111.51
  4. Step 4: Simplify right side
    208,866.35x = 18,519,706,425.70
  5. Step 5: Solve for x
    x = 18,519,706,425.70/208,866.35
  6. Step 6: Final answer
    x = 88,667.74

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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.