Home / 98,765.20-148,230.76-92,537.38

Finding the Fourth Proportional to 98,765.20, 148,230.76 and 92,537.38

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Solution

The fourth proportional to 98,765.20, 148,230.76 and 92,537.38 is: 138,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,765.20 : 148,230.76 = 92,537.38 : x
  2. Step 2: Convert to fraction form
    98,765.20/148,230.76 = 92,537.38/x
  3. Step 3: Cross multiply
    98,765.20x = 148,230.76 × 92,537.38
  4. Step 4: Simplify right side
    98,765.20x = 13,716,886,165.81
  5. Step 5: Solve for x
    x = 13,716,886,165.81/98,765.20
  6. Step 6: Final answer
    x = 138,883.80

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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.