Home / 135,392.04-186,846.85-74,962.68

Finding the Fourth Proportional to 135,392.04, 186,846.85 and 74,962.68

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Solution

The fourth proportional to 135,392.04, 186,846.85 and 74,962.68 is: 103,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,392.04 : 186,846.85 = 74,962.68 : x
  2. Step 2: Convert to fraction form
    135,392.04/186,846.85 = 74,962.68/x
  3. Step 3: Cross multiply
    135,392.04x = 186,846.85 × 74,962.68
  4. Step 4: Simplify right side
    135,392.04x = 14,006,541,301.77
  5. Step 5: Solve for x
    x = 14,006,541,301.77/135,392.04
  6. Step 6: Final answer
    x = 103,451.73

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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.