Home / 191,545.75-263,893-151,244.81

Finding the Fourth Proportional to 191,545.75, 263,893 and 151,244.81

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Solution

The fourth proportional to 191,545.75, 263,893 and 151,244.81 is: 208,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,545.75 : 263,893 = 151,244.81 : x
  2. Step 2: Convert to fraction form
    191,545.75/263,893 = 151,244.81/x
  3. Step 3: Cross multiply
    191,545.75x = 263,893 × 151,244.81
  4. Step 4: Simplify right side
    191,545.75x = 39,912,446,645.33
  5. Step 5: Solve for x
    x = 39,912,446,645.33/191,545.75
  6. Step 6: Final answer
    x = 208,370.31

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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.