Home / 149,211.48-205,846.44-98,158.52

Finding the Fourth Proportional to 149,211.48, 205,846.44 and 98,158.52

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Solution

The fourth proportional to 149,211.48, 205,846.44 and 98,158.52 is: 135,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,211.48 : 205,846.44 = 98,158.52 : x
  2. Step 2: Convert to fraction form
    149,211.48/205,846.44 = 98,158.52/x
  3. Step 3: Cross multiply
    149,211.48x = 205,846.44 × 98,158.52
  4. Step 4: Simplify right side
    149,211.48x = 20,205,581,897.67
  5. Step 5: Solve for x
    x = 20,205,581,897.67/149,211.48
  6. Step 6: Final answer
    x = 135,415.73

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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.