Home / 147,913.92-204,098.40-84,243.60

Finding the Fourth Proportional to 147,913.92, 204,098.40 and 84,243.60

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Solution

The fourth proportional to 147,913.92, 204,098.40 and 84,243.60 is: 116,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,913.92 : 204,098.40 = 84,243.60 : x
  2. Step 2: Convert to fraction form
    147,913.92/204,098.40 = 84,243.60/x
  3. Step 3: Cross multiply
    147,913.92x = 204,098.40 × 84,243.60
  4. Step 4: Simplify right side
    147,913.92x = 17,193,983,970.24
  5. Step 5: Solve for x
    x = 17,193,983,970.24/147,913.92
  6. Step 6: Final answer
    x = 116,243.18

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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.