Home / 135,022.62-186,330.32-74,597.16

Finding the Fourth Proportional to 135,022.62, 186,330.32 and 74,597.16

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Solution

The fourth proportional to 135,022.62, 186,330.32 and 74,597.16 is: 102,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,022.62 : 186,330.32 = 74,597.16 : x
  2. Step 2: Convert to fraction form
    135,022.62/186,330.32 = 74,597.16/x
  3. Step 3: Cross multiply
    135,022.62x = 186,330.32 × 74,597.16
  4. Step 4: Simplify right side
    135,022.62x = 13,899,712,693.89
  5. Step 5: Solve for x
    x = 13,899,712,693.89/135,022.62
  6. Step 6: Final answer
    x = 102,943.59

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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.