Home / 198,741.32-298,109.34-48,983.40

Finding the Fourth Proportional to 198,741.32, 298,109.34 and 48,983.40

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Solution

The fourth proportional to 198,741.32, 298,109.34 and 48,983.40 is: 73,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,741.32 : 298,109.34 = 48,983.40 : x
  2. Step 2: Convert to fraction form
    198,741.32/298,109.34 = 48,983.40/x
  3. Step 3: Cross multiply
    198,741.32x = 298,109.34 × 48,983.40
  4. Step 4: Simplify right side
    198,741.32x = 14,602,409,044.96
  5. Step 5: Solve for x
    x = 14,602,409,044.96/198,741.32
  6. Step 6: Final answer
    x = 73,474.45

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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.