Home / 189,143.46-282,878.64-168,230.34

Finding the Fourth Proportional to 189,143.46, 282,878.64 and 168,230.34

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Solution

The fourth proportional to 189,143.46, 282,878.64 and 168,230.34 is: 251,601.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,143.46 : 282,878.64 = 168,230.34 : x
  2. Step 2: Convert to fraction form
    189,143.46/282,878.64 = 168,230.34/x
  3. Step 3: Cross multiply
    189,143.46x = 282,878.64 × 168,230.34
  4. Step 4: Simplify right side
    189,143.46x = 47,588,769,785.94
  5. Step 5: Solve for x
    x = 47,588,769,785.94/189,143.46
  6. Step 6: Final answer
    x = 251,601.46

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1.5x scale

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.