Home / 165,235.26-228,024.19-89,783.74

Finding the Fourth Proportional to 165,235.26, 228,024.19 and 89,783.74

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Solution

The fourth proportional to 165,235.26, 228,024.19 and 89,783.74 is: 123,901.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,235.26 : 228,024.19 = 89,783.74 : x
  2. Step 2: Convert to fraction form
    165,235.26/228,024.19 = 89,783.74/x
  3. Step 3: Cross multiply
    165,235.26x = 228,024.19 × 89,783.74
  4. Step 4: Simplify right side
    165,235.26x = 20,472,864,588.67
  5. Step 5: Solve for x
    x = 20,472,864,588.67/165,235.26
  6. Step 6: Final answer
    x = 123,901.31

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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.