Home / 191,200.69-263,863.40-105,166.33

Finding the Fourth Proportional to 191,200.69, 263,863.40 and 105,166.33

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Solution

The fourth proportional to 191,200.69, 263,863.40 and 105,166.33 is: 145,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,200.69 : 263,863.40 = 105,166.33 : x
  2. Step 2: Convert to fraction form
    191,200.69/263,863.40 = 105,166.33/x
  3. Step 3: Cross multiply
    191,200.69x = 263,863.40 × 105,166.33
  4. Step 4: Simplify right side
    191,200.69x = 27,749,544,247.71
  5. Step 5: Solve for x
    x = 27,749,544,247.71/191,200.69
  6. Step 6: Final answer
    x = 145,133.08

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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.