Home / 198,698.20-298,047.30-176,925.40

Finding the Fourth Proportional to 198,698.20, 298,047.30 and 176,925.40

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Solution

The fourth proportional to 198,698.20, 298,047.30 and 176,925.40 is: 265,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,698.20 : 298,047.30 = 176,925.40 : x
  2. Step 2: Convert to fraction form
    198,698.20/298,047.30 = 176,925.40/x
  3. Step 3: Cross multiply
    198,698.20x = 298,047.30 × 176,925.40
  4. Step 4: Simplify right side
    198,698.20x = 52,732,137,771.42
  5. Step 5: Solve for x
    x = 52,732,137,771.42/198,698.20
  6. Step 6: Final answer
    x = 265,388.10

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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.