Home / 134,825.06-186,055.38-74,395.70

Finding the Fourth Proportional to 134,825.06, 186,055.38 and 74,395.70

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Solution

The fourth proportional to 134,825.06, 186,055.38 and 74,395.70 is: 102,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,825.06 : 186,055.38 = 74,395.70 : x
  2. Step 2: Convert to fraction form
    134,825.06/186,055.38 = 74,395.70/x
  3. Step 3: Cross multiply
    134,825.06x = 186,055.38 × 74,395.70
  4. Step 4: Simplify right side
    134,825.06x = 13,841,719,303.59
  5. Step 5: Solve for x
    x = 13,841,719,303.59/134,825.06
  6. Step 6: Final answer
    x = 102,664.30

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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.