Home / 209,569.42-289,212.33-114,082.48

Finding the Fourth Proportional to 209,569.42, 289,212.33 and 114,082.48

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Solution

The fourth proportional to 209,569.42, 289,212.33 and 114,082.48 is: 157,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,569.42 : 289,212.33 = 114,082.48 : x
  2. Step 2: Convert to fraction form
    209,569.42/289,212.33 = 114,082.48/x
  3. Step 3: Cross multiply
    209,569.42x = 289,212.33 × 114,082.48
  4. Step 4: Simplify right side
    209,569.42x = 32,994,059,852.98
  5. Step 5: Solve for x
    x = 32,994,059,852.98/209,569.42
  6. Step 6: Final answer
    x = 157,437.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.