Home / 289,884.22-434,822.26-100,482.46

Finding the Fourth Proportional to 289,884.22, 434,822.26 and 100,482.46

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Solution

The fourth proportional to 289,884.22, 434,822.26 and 100,482.46 is: 150,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,884.22 : 434,822.26 = 100,482.46 : x
  2. Step 2: Convert to fraction form
    289,884.22/434,822.26 = 100,482.46/x
  3. Step 3: Cross multiply
    289,884.22x = 434,822.26 × 100,482.46
  4. Step 4: Simplify right side
    289,884.22x = 43,692,010,347.56
  5. Step 5: Solve for x
    x = 43,692,010,347.56/289,884.22
  6. Step 6: Final answer
    x = 150,722.28

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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.