Home / 303,905.20-419,386.44-167,948.32

Finding the Fourth Proportional to 303,905.20, 419,386.44 and 167,948.32

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Solution

The fourth proportional to 303,905.20, 419,386.44 and 167,948.32 is: 231,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,905.20 : 419,386.44 = 167,948.32 : x
  2. Step 2: Convert to fraction form
    303,905.20/419,386.44 = 167,948.32/x
  3. Step 3: Cross multiply
    303,905.20x = 419,386.44 × 167,948.32
  4. Step 4: Simplify right side
    303,905.20x = 70,435,248,028.78
  5. Step 5: Solve for x
    x = 70,435,248,028.78/303,905.20
  6. Step 6: Final answer
    x = 231,767.17

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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.