Home / 169,445.43-234,078.03-135,409.32

Finding the Fourth Proportional to 169,445.43, 234,078.03 and 135,409.32

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Solution

The fourth proportional to 169,445.43, 234,078.03 and 135,409.32 is: 187,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,445.43 : 234,078.03 = 135,409.32 : x
  2. Step 2: Convert to fraction form
    169,445.43/234,078.03 = 135,409.32/x
  3. Step 3: Cross multiply
    169,445.43x = 234,078.03 × 135,409.32
  4. Step 4: Simplify right side
    169,445.43x = 31,696,346,869.24
  5. Step 5: Solve for x
    x = 31,696,346,869.24/169,445.43
  6. Step 6: Final answer
    x = 187,059.32

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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.