Home / 243,009.52-335,172.04-178,458.48

Finding the Fourth Proportional to 243,009.52, 335,172.04 and 178,458.48

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Solution

The fourth proportional to 243,009.52, 335,172.04 and 178,458.48 is: 246,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,009.52 : 335,172.04 = 178,458.48 : x
  2. Step 2: Convert to fraction form
    243,009.52/335,172.04 = 178,458.48/x
  3. Step 3: Cross multiply
    243,009.52x = 335,172.04 × 178,458.48
  4. Step 4: Simplify right side
    243,009.52x = 59,814,292,796.90
  5. Step 5: Solve for x
    x = 59,814,292,796.90/243,009.52
  6. Step 6: Final answer
    x = 246,139.71

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1.5x scale

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.