Home / 245,255.30-338,454.54-148,461.38

Finding the Fourth Proportional to 245,255.30, 338,454.54 and 148,461.38

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Solution

The fourth proportional to 245,255.30, 338,454.54 and 148,461.38 is: 204,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,255.30 : 338,454.54 = 148,461.38 : x
  2. Step 2: Convert to fraction form
    245,255.30/338,454.54 = 148,461.38/x
  3. Step 3: Cross multiply
    245,255.30x = 338,454.54 × 148,461.38
  4. Step 4: Simplify right side
    245,255.30x = 50,247,426,383.39
  5. Step 5: Solve for x
    x = 50,247,426,383.39/245,255.30
  6. Step 6: Final answer
    x = 204,878.05

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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.