Home / 313,436.22-470,187.14-103,090.56

Finding the Fourth Proportional to 313,436.22, 470,187.14 and 103,090.56

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Solution

The fourth proportional to 313,436.22, 470,187.14 and 103,090.56 is: 154,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,436.22 : 470,187.14 = 103,090.56 : x
  2. Step 2: Convert to fraction form
    313,436.22/470,187.14 = 103,090.56/x
  3. Step 3: Cross multiply
    313,436.22x = 470,187.14 × 103,090.56
  4. Step 4: Simplify right side
    313,436.22x = 48,471,855,051.95
  5. Step 5: Solve for x
    x = 48,471,855,051.95/313,436.22
  6. Step 6: Final answer
    x = 154,646.63

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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.