Home / 282,184.56-389,422.08-161,345.52

Finding the Fourth Proportional to 282,184.56, 389,422.08 and 161,345.52

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Solution

The fourth proportional to 282,184.56, 389,422.08 and 161,345.52 is: 222,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,184.56 : 389,422.08 = 161,345.52 : x
  2. Step 2: Convert to fraction form
    282,184.56/389,422.08 = 161,345.52/x
  3. Step 3: Cross multiply
    282,184.56x = 389,422.08 × 161,345.52
  4. Step 4: Simplify right side
    282,184.56x = 62,831,507,997.08
  5. Step 5: Solve for x
    x = 62,831,507,997.08/282,184.56
  6. Step 6: Final answer
    x = 222,661.04

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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.