Home / 151,622.20-209,234.10-84,554.20

Finding the Fourth Proportional to 151,622.20, 209,234.10 and 84,554.20

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Solution

The fourth proportional to 151,622.20, 209,234.10 and 84,554.20 is: 116,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,622.20 : 209,234.10 = 84,554.20 : x
  2. Step 2: Convert to fraction form
    151,622.20/209,234.10 = 84,554.20/x
  3. Step 3: Cross multiply
    151,622.20x = 209,234.10 × 84,554.20
  4. Step 4: Simplify right side
    151,622.20x = 17,691,621,938.22
  5. Step 5: Solve for x
    x = 17,691,621,938.22/151,622.20
  6. Step 6: Final answer
    x = 116,682.27

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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.