Home / 185,516.90-256,013.40-104,942.70

Finding the Fourth Proportional to 185,516.90, 256,013.40 and 104,942.70

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Solution

The fourth proportional to 185,516.90, 256,013.40 and 104,942.70 is: 144,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,516.90 : 256,013.40 = 104,942.70 : x
  2. Step 2: Convert to fraction form
    185,516.90/256,013.40 = 104,942.70/x
  3. Step 3: Cross multiply
    185,516.90x = 256,013.40 × 104,942.70
  4. Step 4: Simplify right side
    185,516.90x = 26,866,737,432.18
  5. Step 5: Solve for x
    x = 26,866,737,432.18/185,516.90
  6. Step 6: Final answer
    x = 144,820.97

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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.