Home / 165,831.64-228,615.80-140,235.19

Finding the Fourth Proportional to 165,831.64, 228,615.80 and 140,235.19

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Solution

The fourth proportional to 165,831.64, 228,615.80 and 140,235.19 is: 193,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,831.64 : 228,615.80 = 140,235.19 : x
  2. Step 2: Convert to fraction form
    165,831.64/228,615.80 = 140,235.19/x
  3. Step 3: Cross multiply
    165,831.64x = 228,615.80 × 140,235.19
  4. Step 4: Simplify right side
    165,831.64x = 32,059,978,877.29
  5. Step 5: Solve for x
    x = 32,059,978,877.29/165,831.64
  6. Step 6: Final answer
    x = 193,328.48

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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.