Home / 291,469.13-402,228.24-168,985.32

Finding the Fourth Proportional to 291,469.13, 402,228.24 and 168,985.32

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Solution

The fourth proportional to 291,469.13, 402,228.24 and 168,985.32 is: 233,200.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,469.13 : 402,228.24 = 168,985.32 : x
  2. Step 2: Convert to fraction form
    291,469.13/402,228.24 = 168,985.32/x
  3. Step 3: Cross multiply
    291,469.13x = 402,228.24 × 168,985.32
  4. Step 4: Simplify right side
    291,469.13x = 67,970,665,204.60
  5. Step 5: Solve for x
    x = 67,970,665,204.60/291,469.13
  6. Step 6: Final answer
    x = 233,200.22

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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.