Home / 113,434.56-170,138.84-30,335.04

Finding the Fourth Proportional to 113,434.56, 170,138.84 and 30,335.04

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Solution

The fourth proportional to 113,434.56, 170,138.84 and 30,335.04 is: 45,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,434.56 : 170,138.84 = 30,335.04 : x
  2. Step 2: Convert to fraction form
    113,434.56/170,138.84 = 30,335.04/x
  3. Step 3: Cross multiply
    113,434.56x = 170,138.84 × 30,335.04
  4. Step 4: Simplify right side
    113,434.56x = 5,161,168,516.95
  5. Step 5: Solve for x
    x = 5,161,168,516.95/113,434.56
  6. Step 6: Final answer
    x = 45,499.08

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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.