Home / 153,669.06-230,531.49-74,783.34

Finding the Fourth Proportional to 153,669.06, 230,531.49 and 74,783.34

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Solution

The fourth proportional to 153,669.06, 230,531.49 and 74,783.34 is: 112,188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,669.06 : 230,531.49 = 74,783.34 : x
  2. Step 2: Convert to fraction form
    153,669.06/230,531.49 = 74,783.34/x
  3. Step 3: Cross multiply
    153,669.06x = 230,531.49 × 74,783.34
  4. Step 4: Simplify right side
    153,669.06x = 17,239,914,797.38
  5. Step 5: Solve for x
    x = 17,239,914,797.38/153,669.06
  6. Step 6: Final answer
    x = 112,188.59

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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.