Home / 191,167.40-263,806.67-103,950.60

Finding the Fourth Proportional to 191,167.40, 263,806.67 and 103,950.60

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Solution

The fourth proportional to 191,167.40, 263,806.67 and 103,950.60 is: 143,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,167.40 : 263,806.67 = 103,950.60 : x
  2. Step 2: Convert to fraction form
    191,167.40/263,806.67 = 103,950.60/x
  3. Step 3: Cross multiply
    191,167.40x = 263,806.67 × 103,950.60
  4. Step 4: Simplify right side
    191,167.40x = 27,422,861,630.50
  5. Step 5: Solve for x
    x = 27,422,861,630.50/191,167.40
  6. Step 6: Final answer
    x = 143,449.47

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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.