Home / 134,825.52-186,063.84-74,398.32

Finding the Fourth Proportional to 134,825.52, 186,063.84 and 74,398.32

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Solution

The fourth proportional to 134,825.52, 186,063.84 and 74,398.32 is: 102,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,825.52 : 186,063.84 = 74,398.32 : x
  2. Step 2: Convert to fraction form
    134,825.52/186,063.84 = 74,398.32/x
  3. Step 3: Cross multiply
    134,825.52x = 186,063.84 × 74,398.32
  4. Step 4: Simplify right side
    134,825.52x = 13,842,837,108.75
  5. Step 5: Solve for x
    x = 13,842,837,108.75/134,825.52
  6. Step 6: Final answer
    x = 102,672.23

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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.