Home / 165,714.84-228,613.68-111,980.28

Finding the Fourth Proportional to 165,714.84, 228,613.68 and 111,980.28

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Solution

The fourth proportional to 165,714.84, 228,613.68 and 111,980.28 is: 154,483.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,714.84 : 228,613.68 = 111,980.28 : x
  2. Step 2: Convert to fraction form
    165,714.84/228,613.68 = 111,980.28/x
  3. Step 3: Cross multiply
    165,714.84x = 228,613.68 × 111,980.28
  4. Step 4: Simplify right side
    165,714.84x = 25,600,223,898.23
  5. Step 5: Solve for x
    x = 25,600,223,898.23/165,714.84
  6. Step 6: Final answer
    x = 154,483.59

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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.