Home / 113,346.40-170,868.52-105,734.56

Finding the Fourth Proportional to 113,346.40, 170,868.52 and 105,734.56

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Solution

The fourth proportional to 113,346.40, 170,868.52 and 105,734.56 is: 159,393.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,346.40 : 170,868.52 = 105,734.56 : x
  2. Step 2: Convert to fraction form
    113,346.40/170,868.52 = 105,734.56/x
  3. Step 3: Cross multiply
    113,346.40x = 170,868.52 × 105,734.56
  4. Step 4: Simplify right side
    113,346.40x = 18,066,707,780.05
  5. Step 5: Solve for x
    x = 18,066,707,780.05/113,346.40
  6. Step 6: Final answer
    x = 159,393.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.