Home / 112,394.70-168,096.33-100,001.70

Finding the Fourth Proportional to 112,394.70, 168,096.33 and 100,001.70

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Solution

The fourth proportional to 112,394.70, 168,096.33 and 100,001.70 is: 149,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,394.70 : 168,096.33 = 100,001.70 : x
  2. Step 2: Convert to fraction form
    112,394.70/168,096.33 = 100,001.70/x
  3. Step 3: Cross multiply
    112,394.70x = 168,096.33 × 100,001.70
  4. Step 4: Simplify right side
    112,394.70x = 16,809,918,763.76
  5. Step 5: Solve for x
    x = 16,809,918,763.76/112,394.70
  6. Step 6: Final answer
    x = 149,561.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.