Home / 230,669.26-345,964-104,280.12

Finding the Fourth Proportional to 230,669.26, 345,964 and 104,280.12

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Solution

The fourth proportional to 230,669.26, 345,964 and 104,280.12 is: 156,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,669.26 : 345,964 = 104,280.12 : x
  2. Step 2: Convert to fraction form
    230,669.26/345,964 = 104,280.12/x
  3. Step 3: Cross multiply
    230,669.26x = 345,964 × 104,280.12
  4. Step 4: Simplify right side
    230,669.26x = 36,077,167,435.68
  5. Step 5: Solve for x
    x = 36,077,167,435.68/230,669.26
  6. Step 6: Final answer
    x = 156,402.15

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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.