Home / 165,535.13-228,422.67-92,921.40

Finding the Fourth Proportional to 165,535.13, 228,422.67 and 92,921.40

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Solution

The fourth proportional to 165,535.13, 228,422.67 and 92,921.40 is: 128,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,535.13 : 228,422.67 = 92,921.40 : x
  2. Step 2: Convert to fraction form
    165,535.13/228,422.67 = 92,921.40/x
  3. Step 3: Cross multiply
    165,535.13x = 228,422.67 × 92,921.40
  4. Step 4: Simplify right side
    165,535.13x = 21,225,354,288.14
  5. Step 5: Solve for x
    x = 21,225,354,288.14/165,535.13
  6. Step 6: Final answer
    x = 128,222.66

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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.