Home / 290,239.73-400,519.24-161,184.86

Finding the Fourth Proportional to 290,239.73, 400,519.24 and 161,184.86

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Solution

The fourth proportional to 290,239.73, 400,519.24 and 161,184.86 is: 222,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,239.73 : 400,519.24 = 161,184.86 : x
  2. Step 2: Convert to fraction form
    290,239.73/400,519.24 = 161,184.86/x
  3. Step 3: Cross multiply
    290,239.73x = 400,519.24 × 161,184.86
  4. Step 4: Simplify right side
    290,239.73x = 64,557,637,626.71
  5. Step 5: Solve for x
    x = 64,557,637,626.71/290,239.73
  6. Step 6: Final answer
    x = 222,428.67

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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.