Home / 165,403.52-228,308.84-93,831.12

Finding the Fourth Proportional to 165,403.52, 228,308.84 and 93,831.12

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Solution

The fourth proportional to 165,403.52, 228,308.84 and 93,831.12 is: 129,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,403.52 : 228,308.84 = 93,831.12 : x
  2. Step 2: Convert to fraction form
    165,403.52/228,308.84 = 93,831.12/x
  3. Step 3: Cross multiply
    165,403.52x = 228,308.84 × 93,831.12
  4. Step 4: Simplify right side
    165,403.52x = 21,422,474,163.10
  5. Step 5: Solve for x
    x = 21,422,474,163.10/165,403.52
  6. Step 6: Final answer
    x = 129,516.43

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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.