Home / 245,505.36-338,715.93-200,105.25

Finding the Fourth Proportional to 245,505.36, 338,715.93 and 200,105.25

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Solution

The fourth proportional to 245,505.36, 338,715.93 and 200,105.25 is: 276,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,505.36 : 338,715.93 = 200,105.25 : x
  2. Step 2: Convert to fraction form
    245,505.36/338,715.93 = 200,105.25/x
  3. Step 3: Cross multiply
    245,505.36x = 338,715.93 × 200,105.25
  4. Step 4: Simplify right side
    245,505.36x = 67,778,835,851.63
  5. Step 5: Solve for x
    x = 67,778,835,851.63/245,505.36
  6. Step 6: Final answer
    x = 276,078.84

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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.