Home / 200,827.52-277,139.70-115,942.76

Finding the Fourth Proportional to 200,827.52, 277,139.70 and 115,942.76

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Solution

The fourth proportional to 200,827.52, 277,139.70 and 115,942.76 is: 159,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,827.52 : 277,139.70 = 115,942.76 : x
  2. Step 2: Convert to fraction form
    200,827.52/277,139.70 = 115,942.76/x
  3. Step 3: Cross multiply
    200,827.52x = 277,139.70 × 115,942.76
  4. Step 4: Simplify right side
    200,827.52x = 32,132,341,723.57
  5. Step 5: Solve for x
    x = 32,132,341,723.57/200,827.52
  6. Step 6: Final answer
    x = 159,999.69

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1.5x scale

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.