Home / 189,155.46-282,896.64-168,242.34

Finding the Fourth Proportional to 189,155.46, 282,896.64 and 168,242.34

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Solution

The fourth proportional to 189,155.46, 282,896.64 and 168,242.34 is: 251,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,155.46 : 282,896.64 = 168,242.34 : x
  2. Step 2: Convert to fraction form
    189,155.46/282,896.64 = 168,242.34/x
  3. Step 3: Cross multiply
    189,155.46x = 282,896.64 × 168,242.34
  4. Step 4: Simplify right side
    189,155.46x = 47,595,192,691.74
  5. Step 5: Solve for x
    x = 47,595,192,691.74/189,155.46
  6. Step 6: Final answer
    x = 251,619.45

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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.