Home / 289,272.61-433,746.42-198,190.81

Finding the Fourth Proportional to 289,272.61, 433,746.42 and 198,190.81

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Solution

The fourth proportional to 289,272.61, 433,746.42 and 198,190.81 is: 297,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,272.61 : 433,746.42 = 198,190.81 : x
  2. Step 2: Convert to fraction form
    289,272.61/433,746.42 = 198,190.81/x
  3. Step 3: Cross multiply
    289,272.61x = 433,746.42 × 198,190.81
  4. Step 4: Simplify right side
    289,272.61x = 85,964,554,314.40
  5. Step 5: Solve for x
    x = 85,964,554,314.40/289,272.61
  6. Step 6: Final answer
    x = 297,174.88

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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.