Home / 147,264.40-203,166.39-85,163.41

Finding the Fourth Proportional to 147,264.40, 203,166.39 and 85,163.41

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Solution

The fourth proportional to 147,264.40, 203,166.39 and 85,163.41 is: 117,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,264.40 : 203,166.39 = 85,163.41 : x
  2. Step 2: Convert to fraction form
    147,264.40/203,166.39 = 85,163.41/x
  3. Step 3: Cross multiply
    147,264.40x = 203,166.39 × 85,163.41
  4. Step 4: Simplify right side
    147,264.40x = 17,302,342,569.79
  5. Step 5: Solve for x
    x = 17,302,342,569.79/147,264.40
  6. Step 6: Final answer
    x = 117,491.69

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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.