Home / 193,315.26-266,777.10-108,430.50

Finding the Fourth Proportional to 193,315.26, 266,777.10 and 108,430.50

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Solution

The fourth proportional to 193,315.26, 266,777.10 and 108,430.50 is: 149,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,315.26 : 266,777.10 = 108,430.50 : x
  2. Step 2: Convert to fraction form
    193,315.26/266,777.10 = 108,430.50/x
  3. Step 3: Cross multiply
    193,315.26x = 266,777.10 × 108,430.50
  4. Step 4: Simplify right side
    193,315.26x = 28,926,774,341.55
  5. Step 5: Solve for x
    x = 28,926,774,341.55/193,315.26
  6. Step 6: Final answer
    x = 149,635.23

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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.