Home / 291,903.86-402,827.82-164,579.12

Finding the Fourth Proportional to 291,903.86, 402,827.82 and 164,579.12

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Solution

The fourth proportional to 291,903.86, 402,827.82 and 164,579.12 is: 227,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,903.86 : 402,827.82 = 164,579.12 : x
  2. Step 2: Convert to fraction form
    291,903.86/402,827.82 = 164,579.12/x
  3. Step 3: Cross multiply
    291,903.86x = 402,827.82 × 164,579.12
  4. Step 4: Simplify right side
    291,903.86x = 66,297,048,127.12
  5. Step 5: Solve for x
    x = 66,297,048,127.12/291,903.86
  6. Step 6: Final answer
    x = 227,119.46

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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.