Home / 191,124.26-263,756.54-105,086.84

Finding the Fourth Proportional to 191,124.26, 263,756.54 and 105,086.84

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Solution

The fourth proportional to 191,124.26, 263,756.54 and 105,086.84 is: 145,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,124.26 : 263,756.54 = 105,086.84 : x
  2. Step 2: Convert to fraction form
    191,124.26/263,756.54 = 105,086.84/x
  3. Step 3: Cross multiply
    191,124.26x = 263,756.54 × 105,086.84
  4. Step 4: Simplify right side
    191,124.26x = 27,717,341,317.93
  5. Step 5: Solve for x
    x = 27,717,341,317.93/191,124.26
  6. Step 6: Final answer
    x = 145,022.62

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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.