Home / 148,336.02-204,703.94-87,936.35

Finding the Fourth Proportional to 148,336.02, 204,703.94 and 87,936.35

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Solution

The fourth proportional to 148,336.02, 204,703.94 and 87,936.35 is: 121,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,336.02 : 204,703.94 = 87,936.35 : x
  2. Step 2: Convert to fraction form
    148,336.02/204,703.94 = 87,936.35/x
  3. Step 3: Cross multiply
    148,336.02x = 204,703.94 × 87,936.35
  4. Step 4: Simplify right side
    148,336.02x = 18,000,916,510.54
  5. Step 5: Solve for x
    x = 18,000,916,510.54/148,336.02
  6. Step 6: Final answer
    x = 121,352.30

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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.