Home / 135,025.08-186,331.96-74,596.36

Finding the Fourth Proportional to 135,025.08, 186,331.96 and 74,596.36

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Solution

The fourth proportional to 135,025.08, 186,331.96 and 74,596.36 is: 102,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,025.08 : 186,331.96 = 74,596.36 : x
  2. Step 2: Convert to fraction form
    135,025.08/186,331.96 = 74,596.36/x
  3. Step 3: Cross multiply
    135,025.08x = 186,331.96 × 74,596.36
  4. Step 4: Simplify right side
    135,025.08x = 13,899,685,967.67
  5. Step 5: Solve for x
    x = 13,899,685,967.67/135,025.08
  6. Step 6: Final answer
    x = 102,941.51

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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.