Home / 188,283.67-259,835.98-103,402.55

Finding the Fourth Proportional to 188,283.67, 259,835.98 and 103,402.55

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Solution

The fourth proportional to 188,283.67, 259,835.98 and 103,402.55 is: 142,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,283.67 : 259,835.98 = 103,402.55 : x
  2. Step 2: Convert to fraction form
    188,283.67/259,835.98 = 103,402.55/x
  3. Step 3: Cross multiply
    188,283.67x = 259,835.98 × 103,402.55
  4. Step 4: Simplify right side
    188,283.67x = 26,867,702,913.75
  5. Step 5: Solve for x
    x = 26,867,702,913.75/188,283.67
  6. Step 6: Final answer
    x = 142,698.00

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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.