Home / 113,815.60-170,723.40-110,535.10

Finding the Fourth Proportional to 113,815.60, 170,723.40 and 110,535.10

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Solution

The fourth proportional to 113,815.60, 170,723.40 and 110,535.10 is: 165,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,815.60 : 170,723.40 = 110,535.10 : x
  2. Step 2: Convert to fraction form
    113,815.60/170,723.40 = 110,535.10/x
  3. Step 3: Cross multiply
    113,815.60x = 170,723.40 × 110,535.10
  4. Step 4: Simplify right side
    113,815.60x = 18,870,928,091.34
  5. Step 5: Solve for x
    x = 18,870,928,091.34/113,815.60
  6. Step 6: Final answer
    x = 165,802.65

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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.