Home / 147,927.36-204,154.04-87,517.43

Finding the Fourth Proportional to 147,927.36, 204,154.04 and 87,517.43

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Solution

The fourth proportional to 147,927.36, 204,154.04 and 87,517.43 is: 120,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,927.36 : 204,154.04 = 87,517.43 : x
  2. Step 2: Convert to fraction form
    147,927.36/204,154.04 = 87,517.43/x
  3. Step 3: Cross multiply
    147,927.36x = 204,154.04 × 87,517.43
  4. Step 4: Simplify right side
    147,927.36x = 17,867,036,102.94
  5. Step 5: Solve for x
    x = 17,867,036,102.94/147,927.36
  6. Step 6: Final answer
    x = 120,782.50

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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.