Home / 405,181.05-559,254.87-233,116.64

Finding the Fourth Proportional to 405,181.05, 559,254.87 and 233,116.64

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Solution

The fourth proportional to 405,181.05, 559,254.87 and 233,116.64 is: 321,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,181.05 : 559,254.87 = 233,116.64 : x
  2. Step 2: Convert to fraction form
    405,181.05/559,254.87 = 233,116.64/x
  3. Step 3: Cross multiply
    405,181.05x = 559,254.87 × 233,116.64
  4. Step 4: Simplify right side
    405,181.05x = 130,371,613,401.76
  5. Step 5: Solve for x
    x = 130,371,613,401.76/405,181.05
  6. Step 6: Final answer
    x = 321,761.38

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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.