Home / 450,108.12-675,317.70-169,705.56

Finding the Fourth Proportional to 450,108.12, 675,317.70 and 169,705.56

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Solution

The fourth proportional to 450,108.12, 675,317.70 and 169,705.56 is: 254,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,108.12 : 675,317.70 = 169,705.56 : x
  2. Step 2: Convert to fraction form
    450,108.12/675,317.70 = 169,705.56/x
  3. Step 3: Cross multiply
    450,108.12x = 675,317.70 × 169,705.56
  4. Step 4: Simplify right side
    450,108.12x = 114,605,168,456.41
  5. Step 5: Solve for x
    x = 114,605,168,456.41/450,108.12
  6. Step 6: Final answer
    x = 254,616.98

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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.