Home / 204,434.55-282,439.64-156,205.28

Finding the Fourth Proportional to 204,434.55, 282,439.64 and 156,205.28

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Solution

The fourth proportional to 204,434.55, 282,439.64 and 156,205.28 is: 215,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,434.55 : 282,439.64 = 156,205.28 : x
  2. Step 2: Convert to fraction form
    204,434.55/282,439.64 = 156,205.28/x
  3. Step 3: Cross multiply
    204,434.55x = 282,439.64 × 156,205.28
  4. Step 4: Simplify right side
    204,434.55x = 44,118,564,145.91
  5. Step 5: Solve for x
    x = 44,118,564,145.91/204,434.55
  6. Step 6: Final answer
    x = 215,807.77

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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.