Home / 134,689.37-185,862.94-74,260.67

Finding the Fourth Proportional to 134,689.37, 185,862.94 and 74,260.67

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Solution

The fourth proportional to 134,689.37, 185,862.94 and 74,260.67 is: 102,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,689.37 : 185,862.94 = 74,260.67 : x
  2. Step 2: Convert to fraction form
    134,689.37/185,862.94 = 74,260.67/x
  3. Step 3: Cross multiply
    134,689.37x = 185,862.94 × 74,260.67
  4. Step 4: Simplify right side
    134,689.37x = 13,802,305,337.60
  5. Step 5: Solve for x
    x = 13,802,305,337.60/134,689.37
  6. Step 6: Final answer
    x = 102,475.09

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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.