Home / 340,127.36-469,380.08-187,183.16

Finding the Fourth Proportional to 340,127.36, 469,380.08 and 187,183.16

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Solution

The fourth proportional to 340,127.36, 469,380.08 and 187,183.16 is: 258,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,127.36 : 469,380.08 = 187,183.16 : x
  2. Step 2: Convert to fraction form
    340,127.36/469,380.08 = 187,183.16/x
  3. Step 3: Cross multiply
    340,127.36x = 469,380.08 × 187,183.16
  4. Step 4: Simplify right side
    340,127.36x = 87,860,045,679.54
  5. Step 5: Solve for x
    x = 87,860,045,679.54/340,127.36
  6. Step 6: Final answer
    x = 258,315.14

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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.