Home / 189,986.24-262,138.56-113,484.80

Finding the Fourth Proportional to 189,986.24, 262,138.56 and 113,484.80

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Solution

The fourth proportional to 189,986.24, 262,138.56 and 113,484.80 is: 156,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,986.24 : 262,138.56 = 113,484.80 : x
  2. Step 2: Convert to fraction form
    189,986.24/262,138.56 = 113,484.80/x
  3. Step 3: Cross multiply
    189,986.24x = 262,138.56 × 113,484.80
  4. Step 4: Simplify right side
    189,986.24x = 29,748,742,053.89
  5. Step 5: Solve for x
    x = 29,748,742,053.89/189,986.24
  6. Step 6: Final answer
    x = 156,583.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.