Home / 135,022.50-186,330.15-74,597.04

Finding the Fourth Proportional to 135,022.50, 186,330.15 and 74,597.04

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Solution

The fourth proportional to 135,022.50, 186,330.15 and 74,597.04 is: 102,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,022.50 : 186,330.15 = 74,597.04 : x
  2. Step 2: Convert to fraction form
    135,022.50/186,330.15 = 74,597.04/x
  3. Step 3: Cross multiply
    135,022.50x = 186,330.15 × 74,597.04
  4. Step 4: Simplify right side
    135,022.50x = 13,899,677,652.76
  5. Step 5: Solve for x
    x = 13,899,677,652.76/135,022.50
  6. Step 6: Final answer
    x = 102,943.42

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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.