Home / 163,778.94-245,670.03-69,025.14

Finding the Fourth Proportional to 163,778.94, 245,670.03 and 69,025.14

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Solution

The fourth proportional to 163,778.94, 245,670.03 and 69,025.14 is: 103,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,778.94 : 245,670.03 = 69,025.14 : x
  2. Step 2: Convert to fraction form
    163,778.94/245,670.03 = 69,025.14/x
  3. Step 3: Cross multiply
    163,778.94x = 245,670.03 × 69,025.14
  4. Step 4: Simplify right side
    163,778.94x = 16,957,408,214.55
  5. Step 5: Solve for x
    x = 16,957,408,214.55/163,778.94
  6. Step 6: Final answer
    x = 103,538.39

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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.