Home / 209,466.47-289,085.00-123,453.14

Finding the Fourth Proportional to 209,466.47, 289,085.00 and 123,453.14

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Solution

The fourth proportional to 209,466.47, 289,085.00 and 123,453.14 is: 170,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,466.47 : 289,085.00 = 123,453.14 : x
  2. Step 2: Convert to fraction form
    209,466.47/289,085.00 = 123,453.14/x
  3. Step 3: Cross multiply
    209,466.47x = 289,085.00 × 123,453.14
  4. Step 4: Simplify right side
    209,466.47x = 35,688,450,359.63
  5. Step 5: Solve for x
    x = 35,688,450,359.63/209,466.47
  6. Step 6: Final answer
    x = 170,377.87

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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.