Home / 198,798.05-298,094.93-58,538.45

Finding the Fourth Proportional to 198,798.05, 298,094.93 and 58,538.45

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Solution

The fourth proportional to 198,798.05, 298,094.93 and 58,538.45 is: 87,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,798.05 : 298,094.93 = 58,538.45 : x
  2. Step 2: Convert to fraction form
    198,798.05/298,094.93 = 58,538.45/x
  3. Step 3: Cross multiply
    198,798.05x = 298,094.93 × 58,538.45
  4. Step 4: Simplify right side
    198,798.05x = 17,450,014,862.37
  5. Step 5: Solve for x
    x = 17,450,014,862.37/198,798.05
  6. Step 6: Final answer
    x = 87,777.60

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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.