Home / 113,899.70-170,446.35-99,269.30

Finding the Fourth Proportional to 113,899.70, 170,446.35 and 99,269.30

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Solution

The fourth proportional to 113,899.70, 170,446.35 and 99,269.30 is: 148,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,899.70 : 170,446.35 = 99,269.30 : x
  2. Step 2: Convert to fraction form
    113,899.70/170,446.35 = 99,269.30/x
  3. Step 3: Cross multiply
    113,899.70x = 170,446.35 × 99,269.30
  4. Step 4: Simplify right side
    113,899.70x = 16,920,089,852.06
  5. Step 5: Solve for x
    x = 16,920,089,852.06/113,899.70
  6. Step 6: Final answer
    x = 148,552.54

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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.