Home / 276,763.38-415,181.25-99,290.22

Finding the Fourth Proportional to 276,763.38, 415,181.25 and 99,290.22

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Solution

The fourth proportional to 276,763.38, 415,181.25 and 99,290.22 is: 148,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,763.38 : 415,181.25 = 99,290.22 : x
  2. Step 2: Convert to fraction form
    276,763.38/415,181.25 = 99,290.22/x
  3. Step 3: Cross multiply
    276,763.38x = 415,181.25 × 99,290.22
  4. Step 4: Simplify right side
    276,763.38x = 41,223,437,652.38
  5. Step 5: Solve for x
    x = 41,223,437,652.38/276,763.38
  6. Step 6: Final answer
    x = 148,948.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.