Home / 242,821.55-335,203.01-178,176.56

Finding the Fourth Proportional to 242,821.55, 335,203.01 and 178,176.56

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Solution

The fourth proportional to 242,821.55, 335,203.01 and 178,176.56 is: 245,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,821.55 : 335,203.01 = 178,176.56 : x
  2. Step 2: Convert to fraction form
    242,821.55/335,203.01 = 178,176.56/x
  3. Step 3: Cross multiply
    242,821.55x = 335,203.01 × 178,176.56
  4. Step 4: Simplify right side
    242,821.55x = 59,725,319,210.23
  5. Step 5: Solve for x
    x = 59,725,319,210.23/242,821.55
  6. Step 6: Final answer
    x = 245,963.84

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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.