Home / 134,350.60-185,400-73,921.29

Finding the Fourth Proportional to 134,350.60, 185,400 and 73,921.29

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Solution

The fourth proportional to 134,350.60, 185,400 and 73,921.29 is: 102,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,350.60 : 185,400 = 73,921.29 : x
  2. Step 2: Convert to fraction form
    134,350.60/185,400 = 73,921.29/x
  3. Step 3: Cross multiply
    134,350.60x = 185,400 × 73,921.29
  4. Step 4: Simplify right side
    134,350.60x = 13,705,007,166.00
  5. Step 5: Solve for x
    x = 13,705,007,166.00/134,350.60
  6. Step 6: Final answer
    x = 102,009.27

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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.