Home / 113,885.11-170,828.27-74,690.43

Finding the Fourth Proportional to 113,885.11, 170,828.27 and 74,690.43

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Solution

The fourth proportional to 113,885.11, 170,828.27 and 74,690.43 is: 112,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,885.11 : 170,828.27 = 74,690.43 : x
  2. Step 2: Convert to fraction form
    113,885.11/170,828.27 = 74,690.43/x
  3. Step 3: Cross multiply
    113,885.11x = 170,828.27 × 74,690.43
  4. Step 4: Simplify right side
    113,885.11x = 12,759,236,942.46
  5. Step 5: Solve for x
    x = 12,759,236,942.46/113,885.11
  6. Step 6: Final answer
    x = 112,036.04

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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.