Home / 165,889.42-228,927.26-90,437.92

Finding the Fourth Proportional to 165,889.42, 228,927.26 and 90,437.92

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Solution

The fourth proportional to 165,889.42, 228,927.26 and 90,437.92 is: 124,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,889.42 : 228,927.26 = 90,437.92 : x
  2. Step 2: Convert to fraction form
    165,889.42/228,927.26 = 90,437.92/x
  3. Step 3: Cross multiply
    165,889.42x = 228,927.26 × 90,437.92
  4. Step 4: Simplify right side
    165,889.42x = 20,703,704,879.48
  5. Step 5: Solve for x
    x = 20,703,704,879.48/165,889.42
  6. Step 6: Final answer
    x = 124,804.25

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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.