Home / 309,533.04-463,677.48-161,478

Finding the Fourth Proportional to 309,533.04, 463,677.48 and 161,478

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Solution

The fourth proportional to 309,533.04, 463,677.48 and 161,478 is: 241,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,533.04 : 463,677.48 = 161,478 : x
  2. Step 2: Convert to fraction form
    309,533.04/463,677.48 = 161,478/x
  3. Step 3: Cross multiply
    309,533.04x = 463,677.48 × 161,478
  4. Step 4: Simplify right side
    309,533.04x = 74,873,712,115.44
  5. Step 5: Solve for x
    x = 74,873,712,115.44/309,533.04
  6. Step 6: Final answer
    x = 241,892.47

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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.