Home / 209,805.07-289,527.30-114,312.43

Finding the Fourth Proportional to 209,805.07, 289,527.30 and 114,312.43

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Solution

The fourth proportional to 209,805.07, 289,527.30 and 114,312.43 is: 157,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,805.07 : 289,527.30 = 114,312.43 : x
  2. Step 2: Convert to fraction form
    209,805.07/289,527.30 = 114,312.43/x
  3. Step 3: Cross multiply
    209,805.07x = 289,527.30 × 114,312.43
  4. Step 4: Simplify right side
    209,805.07x = 33,096,569,214.34
  5. Step 5: Solve for x
    x = 33,096,569,214.34/209,805.07
  6. Step 6: Final answer
    x = 157,749.14

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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.