Home / 134,452.49-185,541.04-74,022.53

Finding the Fourth Proportional to 134,452.49, 185,541.04 and 74,022.53

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Solution

The fourth proportional to 134,452.49, 185,541.04 and 74,022.53 is: 102,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,452.49 : 185,541.04 = 74,022.53 : x
  2. Step 2: Convert to fraction form
    134,452.49/185,541.04 = 74,022.53/x
  3. Step 3: Cross multiply
    134,452.49x = 185,541.04 × 74,022.53
  4. Step 4: Simplify right side
    134,452.49x = 13,734,217,199.63
  5. Step 5: Solve for x
    x = 13,734,217,199.63/134,452.49
  6. Step 6: Final answer
    x = 102,149.22

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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.