Home / 198,973.53-298,471.95-56,807.87

Finding the Fourth Proportional to 198,973.53, 298,471.95 and 56,807.87

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Solution

The fourth proportional to 198,973.53, 298,471.95 and 56,807.87 is: 85,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,973.53 : 298,471.95 = 56,807.87 : x
  2. Step 2: Convert to fraction form
    198,973.53/298,471.95 = 56,807.87/x
  3. Step 3: Cross multiply
    198,973.53x = 298,471.95 × 56,807.87
  4. Step 4: Simplify right side
    198,973.53x = 16,955,554,241.89
  5. Step 5: Solve for x
    x = 16,955,554,241.89/198,973.53
  6. Step 6: Final answer
    x = 85,215.13

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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.