Home / 209,748.14-289,450.95-114,254.54

Finding the Fourth Proportional to 209,748.14, 289,450.95 and 114,254.54

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Solution

The fourth proportional to 209,748.14, 289,450.95 and 114,254.54 is: 157,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,748.14 : 289,450.95 = 114,254.54 : x
  2. Step 2: Convert to fraction form
    209,748.14/289,450.95 = 114,254.54/x
  3. Step 3: Cross multiply
    209,748.14x = 289,450.95 × 114,254.54
  4. Step 4: Simplify right side
    209,748.14x = 33,071,085,144.81
  5. Step 5: Solve for x
    x = 33,071,085,144.81/209,748.14
  6. Step 6: Final answer
    x = 157,670.46

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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.