Home / 209,516.34-289,132.56-114,020.94

Finding the Fourth Proportional to 209,516.34, 289,132.56 and 114,020.94

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Solution

The fourth proportional to 209,516.34, 289,132.56 and 114,020.94 is: 157,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,516.34 : 289,132.56 = 114,020.94 : x
  2. Step 2: Convert to fraction form
    209,516.34/289,132.56 = 114,020.94/x
  3. Step 3: Cross multiply
    209,516.34x = 289,132.56 × 114,020.94
  4. Step 4: Simplify right side
    209,516.34x = 32,967,166,275.81
  5. Step 5: Solve for x
    x = 32,967,166,275.81/209,516.34
  6. Step 6: Final answer
    x = 157,348.90

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1.5x scale

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.