Home / 268,943.10-403,414.65-163,967.10

Finding the Fourth Proportional to 268,943.10, 403,414.65 and 163,967.10

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Solution

The fourth proportional to 268,943.10, 403,414.65 and 163,967.10 is: 245,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,943.10 : 403,414.65 = 163,967.10 : x
  2. Step 2: Convert to fraction form
    268,943.10/403,414.65 = 163,967.10/x
  3. Step 3: Cross multiply
    268,943.10x = 403,414.65 × 163,967.10
  4. Step 4: Simplify right side
    268,943.10x = 66,146,730,258.02
  5. Step 5: Solve for x
    x = 66,146,730,258.02/268,943.10
  6. Step 6: Final answer
    x = 245,950.65

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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.