Home / 268,944.10-403,416.15-163,968.10

Finding the Fourth Proportional to 268,944.10, 403,416.15 and 163,968.10

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Solution

The fourth proportional to 268,944.10, 403,416.15 and 163,968.10 is: 245,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,944.10 : 403,416.15 = 163,968.10 : x
  2. Step 2: Convert to fraction form
    268,944.10/403,416.15 = 163,968.10/x
  3. Step 3: Cross multiply
    268,944.10x = 403,416.15 × 163,968.10
  4. Step 4: Simplify right side
    268,944.10x = 66,147,379,624.82
  5. Step 5: Solve for x
    x = 66,147,379,624.82/268,944.10
  6. Step 6: Final answer
    x = 245,952.15

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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.