Home / 113,359.70-170,104.35-43,289.30

Finding the Fourth Proportional to 113,359.70, 170,104.35 and 43,289.30

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Solution

The fourth proportional to 113,359.70, 170,104.35 and 43,289.30 is: 64,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,359.70 : 170,104.35 = 43,289.30 : x
  2. Step 2: Convert to fraction form
    113,359.70/170,104.35 = 43,289.30/x
  3. Step 3: Cross multiply
    113,359.70x = 170,104.35 × 43,289.30
  4. Step 4: Simplify right side
    113,359.70x = 7,363,698,238.46
  5. Step 5: Solve for x
    x = 7,363,698,238.46/113,359.70
  6. Step 6: Final answer
    x = 64,958.70

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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.