Home / 198,888.42-298,332.64-163,754.26

Finding the Fourth Proportional to 198,888.42, 298,332.64 and 163,754.26

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Solution

The fourth proportional to 198,888.42, 298,332.64 and 163,754.26 is: 245,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,888.42 : 298,332.64 = 163,754.26 : x
  2. Step 2: Convert to fraction form
    198,888.42/298,332.64 = 163,754.26/x
  3. Step 3: Cross multiply
    198,888.42x = 298,332.64 × 163,754.26
  4. Step 4: Simplify right side
    198,888.42x = 48,853,240,697.05
  5. Step 5: Solve for x
    x = 48,853,240,697.05/198,888.42
  6. Step 6: Final answer
    x = 245,631.40

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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.