Home / 156,434.47-215,863.37-96,007.66

Finding the Fourth Proportional to 156,434.47, 215,863.37 and 96,007.66

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Solution

The fourth proportional to 156,434.47, 215,863.37 and 96,007.66 is: 132,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,434.47 : 215,863.37 = 96,007.66 : x
  2. Step 2: Convert to fraction form
    156,434.47/215,863.37 = 96,007.66/x
  3. Step 3: Cross multiply
    156,434.47x = 215,863.37 × 96,007.66
  4. Step 4: Simplify right side
    156,434.47x = 20,724,537,033.41
  5. Step 5: Solve for x
    x = 20,724,537,033.41/156,434.47
  6. Step 6: Final answer
    x = 132,480.63

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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.