Home / 134,446.52-185,536.16-74,844.60

Finding the Fourth Proportional to 134,446.52, 185,536.16 and 74,844.60

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Solution

The fourth proportional to 134,446.52, 185,536.16 and 74,844.60 is: 103,285.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,446.52 : 185,536.16 = 74,844.60 : x
  2. Step 2: Convert to fraction form
    134,446.52/185,536.16 = 74,844.60/x
  3. Step 3: Cross multiply
    134,446.52x = 185,536.16 × 74,844.60
  4. Step 4: Simplify right side
    134,446.52x = 13,886,379,680.74
  5. Step 5: Solve for x
    x = 13,886,379,680.74/134,446.52
  6. Step 6: Final answer
    x = 103,285.53

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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.