Home / 203,820.16-304,357.75-166,454.40

Finding the Fourth Proportional to 203,820.16, 304,357.75 and 166,454.40

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Solution

The fourth proportional to 203,820.16, 304,357.75 and 166,454.40 is: 248,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,820.16 : 304,357.75 = 166,454.40 : x
  2. Step 2: Convert to fraction form
    203,820.16/304,357.75 = 166,454.40/x
  3. Step 3: Cross multiply
    203,820.16x = 304,357.75 × 166,454.40
  4. Step 4: Simplify right side
    203,820.16x = 50,661,686,661.60
  5. Step 5: Solve for x
    x = 50,661,686,661.60/203,820.16
  6. Step 6: Final answer
    x = 248,560.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.