Home / 553,094.28-829,912.50-198,135.72

Finding the Fourth Proportional to 553,094.28, 829,912.50 and 198,135.72

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Solution

The fourth proportional to 553,094.28, 829,912.50 and 198,135.72 is: 297,300.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,094.28 : 829,912.50 = 198,135.72 : x
  2. Step 2: Convert to fraction form
    553,094.28/829,912.50 = 198,135.72/x
  3. Step 3: Cross multiply
    553,094.28x = 829,912.50 × 198,135.72
  4. Step 4: Simplify right side
    553,094.28x = 164,435,310,724.50
  5. Step 5: Solve for x
    x = 164,435,310,724.50/553,094.28
  6. Step 6: Final answer
    x = 297,300.69

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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.