Home / 98,840.20-148,271.10-95,729.80

Finding the Fourth Proportional to 98,840.20, 148,271.10 and 95,729.80

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Solution

The fourth proportional to 98,840.20, 148,271.10 and 95,729.80 is: 143,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,840.20 : 148,271.10 = 95,729.80 : x
  2. Step 2: Convert to fraction form
    98,840.20/148,271.10 = 95,729.80/x
  3. Step 3: Cross multiply
    98,840.20x = 148,271.10 × 95,729.80
  4. Step 4: Simplify right side
    98,840.20x = 14,193,962,748.78
  5. Step 5: Solve for x
    x = 14,193,962,748.78/98,840.20
  6. Step 6: Final answer
    x = 143,605.16

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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.