Home / 135,719.55-187,294.01-74,465.33

Finding the Fourth Proportional to 135,719.55, 187,294.01 and 74,465.33

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Solution

The fourth proportional to 135,719.55, 187,294.01 and 74,465.33 is: 102,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,719.55 : 187,294.01 = 74,465.33 : x
  2. Step 2: Convert to fraction form
    135,719.55/187,294.01 = 74,465.33/x
  3. Step 3: Cross multiply
    135,719.55x = 187,294.01 × 74,465.33
  4. Step 4: Simplify right side
    135,719.55x = 13,946,908,952.88
  5. Step 5: Solve for x
    x = 13,946,908,952.88/135,719.55
  6. Step 6: Final answer
    x = 102,762.71

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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.