Home / 134,553.52-185,688.48-74,128.24

Finding the Fourth Proportional to 134,553.52, 185,688.48 and 74,128.24

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Solution

The fourth proportional to 134,553.52, 185,688.48 and 74,128.24 is: 102,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,553.52 : 185,688.48 = 74,128.24 : x
  2. Step 2: Convert to fraction form
    134,553.52/185,688.48 = 74,128.24/x
  3. Step 3: Cross multiply
    134,553.52x = 185,688.48 × 74,128.24
  4. Step 4: Simplify right side
    134,553.52x = 13,764,760,210.68
  5. Step 5: Solve for x
    x = 13,764,760,210.68/134,553.52
  6. Step 6: Final answer
    x = 102,299.52

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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.