Home / 189,865.24-262,019.28-104,985.34

Finding the Fourth Proportional to 189,865.24, 262,019.28 and 104,985.34

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Solution

The fourth proportional to 189,865.24, 262,019.28 and 104,985.34 is: 144,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,865.24 : 262,019.28 = 104,985.34 : x
  2. Step 2: Convert to fraction form
    189,865.24/262,019.28 = 104,985.34/x
  3. Step 3: Cross multiply
    189,865.24x = 262,019.28 × 104,985.34
  4. Step 4: Simplify right side
    189,865.24x = 27,508,183,197.36
  5. Step 5: Solve for x
    x = 27,508,183,197.36/189,865.24
  6. Step 6: Final answer
    x = 144,882.67

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1.5x scale

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.