Home / 189,479.75-284,077.35-114,584.51

Finding the Fourth Proportional to 189,479.75, 284,077.35 and 114,584.51

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Solution

The fourth proportional to 189,479.75, 284,077.35 and 114,584.51 is: 171,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,479.75 : 284,077.35 = 114,584.51 : x
  2. Step 2: Convert to fraction form
    189,479.75/284,077.35 = 114,584.51/x
  3. Step 3: Cross multiply
    189,479.75x = 284,077.35 × 114,584.51
  4. Step 4: Simplify right side
    189,479.75x = 32,550,862,531.46
  5. Step 5: Solve for x
    x = 32,550,862,531.46/189,479.75
  6. Step 6: Final answer
    x = 171,790.72

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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.