Home / 113,145.21-169,739.69-38,277.52

Finding the Fourth Proportional to 113,145.21, 169,739.69 and 38,277.52

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Solution

The fourth proportional to 113,145.21, 169,739.69 and 38,277.52 is: 57,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,145.21 : 169,739.69 = 38,277.52 : x
  2. Step 2: Convert to fraction form
    113,145.21/169,739.69 = 38,277.52/x
  3. Step 3: Cross multiply
    113,145.21x = 169,739.69 × 38,277.52
  4. Step 4: Simplify right side
    113,145.21x = 6,497,213,763.03
  5. Step 5: Solve for x
    x = 6,497,213,763.03/113,145.21
  6. Step 6: Final answer
    x = 57,423.67

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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.