Home / 140,045.54-193,262.73-76,383.14

Finding the Fourth Proportional to 140,045.54, 193,262.73 and 76,383.14

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Solution

The fourth proportional to 140,045.54, 193,262.73 and 76,383.14 is: 105,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,045.54 : 193,262.73 = 76,383.14 : x
  2. Step 2: Convert to fraction form
    140,045.54/193,262.73 = 76,383.14/x
  3. Step 3: Cross multiply
    140,045.54x = 193,262.73 × 76,383.14
  4. Step 4: Simplify right side
    140,045.54x = 14,762,014,162.37
  5. Step 5: Solve for x
    x = 14,762,014,162.37/140,045.54
  6. Step 6: Final answer
    x = 105,408.67

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1.5x scale

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.