Home / 135,095.42-186,425.88-74,662.94

Finding the Fourth Proportional to 135,095.42, 186,425.88 and 74,662.94

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Solution

The fourth proportional to 135,095.42, 186,425.88 and 74,662.94 is: 103,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,095.42 : 186,425.88 = 74,662.94 : x
  2. Step 2: Convert to fraction form
    135,095.42/186,425.88 = 74,662.94/x
  3. Step 3: Cross multiply
    135,095.42x = 186,425.88 × 74,662.94
  4. Step 4: Simplify right side
    135,095.42x = 13,919,104,292.89
  5. Step 5: Solve for x
    x = 13,919,104,292.89/135,095.42
  6. Step 6: Final answer
    x = 103,031.65

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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.