Home / 250,143.12-345,149.48-169,636.24

Finding the Fourth Proportional to 250,143.12, 345,149.48 and 169,636.24

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Solution

The fourth proportional to 250,143.12, 345,149.48 and 169,636.24 is: 234,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,143.12 : 345,149.48 = 169,636.24 : x
  2. Step 2: Convert to fraction form
    250,143.12/345,149.48 = 169,636.24/x
  3. Step 3: Cross multiply
    250,143.12x = 345,149.48 × 169,636.24
  4. Step 4: Simplify right side
    250,143.12x = 58,549,860,025.16
  5. Step 5: Solve for x
    x = 58,549,860,025.16/250,143.12
  6. Step 6: Final answer
    x = 234,065.44

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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.