Home / 134,914.24-186,180.60-74,484.94

Finding the Fourth Proportional to 134,914.24, 186,180.60 and 74,484.94

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Solution

The fourth proportional to 134,914.24, 186,180.60 and 74,484.94 is: 102,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,914.24 : 186,180.60 = 74,484.94 : x
  2. Step 2: Convert to fraction form
    134,914.24/186,180.60 = 74,484.94/x
  3. Step 3: Cross multiply
    134,914.24x = 186,180.60 × 74,484.94
  4. Step 4: Simplify right side
    134,914.24x = 13,867,650,820.16
  5. Step 5: Solve for x
    x = 13,867,650,820.16/134,914.24
  6. Step 6: Final answer
    x = 102,788.64

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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.