Home / 136,442.93-188,305.10-76,023.41

Finding the Fourth Proportional to 136,442.93, 188,305.10 and 76,023.41

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Solution

The fourth proportional to 136,442.93, 188,305.10 and 76,023.41 is: 104,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,442.93 : 188,305.10 = 76,023.41 : x
  2. Step 2: Convert to fraction form
    136,442.93/188,305.10 = 76,023.41/x
  3. Step 3: Cross multiply
    136,442.93x = 188,305.10 × 76,023.41
  4. Step 4: Simplify right side
    136,442.93x = 14,315,595,822.39
  5. Step 5: Solve for x
    x = 14,315,595,822.39/136,442.93
  6. Step 6: Final answer
    x = 104,920.03

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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.