Home / 213,545.44-294,667.12-118,039.15

Finding the Fourth Proportional to 213,545.44, 294,667.12 and 118,039.15

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Solution

The fourth proportional to 213,545.44, 294,667.12 and 118,039.15 is: 162,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,545.44 : 294,667.12 = 118,039.15 : x
  2. Step 2: Convert to fraction form
    213,545.44/294,667.12 = 118,039.15/x
  3. Step 3: Cross multiply
    213,545.44x = 294,667.12 × 118,039.15
  4. Step 4: Simplify right side
    213,545.44x = 34,782,256,377.75
  5. Step 5: Solve for x
    x = 34,782,256,377.75/213,545.44
  6. Step 6: Final answer
    x = 162,879.88

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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.