Home / 165,654.40-228,444.80-111,329.28

Finding the Fourth Proportional to 165,654.40, 228,444.80 and 111,329.28

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Solution

The fourth proportional to 165,654.40, 228,444.80 and 111,329.28 is: 153,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,654.40 : 228,444.80 = 111,329.28 : x
  2. Step 2: Convert to fraction form
    165,654.40/228,444.80 = 111,329.28/x
  3. Step 3: Cross multiply
    165,654.40x = 228,444.80 × 111,329.28
  4. Step 4: Simplify right side
    165,654.40x = 25,432,595,103.74
  5. Step 5: Solve for x
    x = 25,432,595,103.74/165,654.40
  6. Step 6: Final answer
    x = 153,528.04

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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.