Home / 134,824.51-186,057.60-74,395.10

Finding the Fourth Proportional to 134,824.51, 186,057.60 and 74,395.10

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Solution

The fourth proportional to 134,824.51, 186,057.60 and 74,395.10 is: 102,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,824.51 : 186,057.60 = 74,395.10 : x
  2. Step 2: Convert to fraction form
    134,824.51/186,057.60 = 74,395.10/x
  3. Step 3: Cross multiply
    134,824.51x = 186,057.60 × 74,395.10
  4. Step 4: Simplify right side
    134,824.51x = 13,841,773,757.76
  5. Step 5: Solve for x
    x = 13,841,773,757.76/134,824.51
  6. Step 6: Final answer
    x = 102,665.12

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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.