Home / 137,898.33-190,307.82-103,846.74

Finding the Fourth Proportional to 137,898.33, 190,307.82 and 103,846.74

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Solution

The fourth proportional to 137,898.33, 190,307.82 and 103,846.74 is: 143,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,898.33 : 190,307.82 = 103,846.74 : x
  2. Step 2: Convert to fraction form
    137,898.33/190,307.82 = 103,846.74/x
  3. Step 3: Cross multiply
    137,898.33x = 190,307.82 × 103,846.74
  4. Step 4: Simplify right side
    137,898.33x = 19,762,847,092.93
  5. Step 5: Solve for x
    x = 19,762,847,092.93/137,898.33
  6. Step 6: Final answer
    x = 143,314.62

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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.