Home / 289,096.05-433,567.53-131,289.42

Finding the Fourth Proportional to 289,096.05, 433,567.53 and 131,289.42

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Solution

The fourth proportional to 289,096.05, 433,567.53 and 131,289.42 is: 196,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,096.05 : 433,567.53 = 131,289.42 : x
  2. Step 2: Convert to fraction form
    289,096.05/433,567.53 = 131,289.42/x
  3. Step 3: Cross multiply
    289,096.05x = 433,567.53 × 131,289.42
  4. Step 4: Simplify right side
    289,096.05x = 56,922,829,544.53
  5. Step 5: Solve for x
    x = 56,922,829,544.53/289,096.05
  6. Step 6: Final answer
    x = 196,899.37

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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.