Home / 538,708.96-807,985.64-164,631.52

Finding the Fourth Proportional to 538,708.96, 807,985.64 and 164,631.52

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Solution

The fourth proportional to 538,708.96, 807,985.64 and 164,631.52 is: 246,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,708.96 : 807,985.64 = 164,631.52 : x
  2. Step 2: Convert to fraction form
    538,708.96/807,985.64 = 164,631.52/x
  3. Step 3: Cross multiply
    538,708.96x = 807,985.64 × 164,631.52
  4. Step 4: Simplify right side
    538,708.96x = 133,019,904,051.37
  5. Step 5: Solve for x
    x = 133,019,904,051.37/538,708.96
  6. Step 6: Final answer
    x = 246,923.50

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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.