Home / 169,905.30-234,475.32-93,430.19

Finding the Fourth Proportional to 169,905.30, 234,475.32 and 93,430.19

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Solution

The fourth proportional to 169,905.30, 234,475.32 and 93,430.19 is: 128,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,905.30 : 234,475.32 = 93,430.19 : x
  2. Step 2: Convert to fraction form
    169,905.30/234,475.32 = 93,430.19/x
  3. Step 3: Cross multiply
    169,905.30x = 234,475.32 × 93,430.19
  4. Step 4: Simplify right side
    169,905.30x = 21,907,074,634.46
  5. Step 5: Solve for x
    x = 21,907,074,634.46/169,905.30
  6. Step 6: Final answer
    x = 128,936.97

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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.