Home / 178,969.13-268,455.31-54,310.13

Finding the Fourth Proportional to 178,969.13, 268,455.31 and 54,310.13

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Solution

The fourth proportional to 178,969.13, 268,455.31 and 54,310.13 is: 81,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,969.13 : 268,455.31 = 54,310.13 : x
  2. Step 2: Convert to fraction form
    178,969.13/268,455.31 = 54,310.13/x
  3. Step 3: Cross multiply
    178,969.13x = 268,455.31 × 54,310.13
  4. Step 4: Simplify right side
    178,969.13x = 14,579,842,785.29
  5. Step 5: Solve for x
    x = 14,579,842,785.29/178,969.13
  6. Step 6: Final answer
    x = 81,465.69

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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.