Home / 147,701.88-221,581.98-54,208.44

Finding the Fourth Proportional to 147,701.88, 221,581.98 and 54,208.44

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Solution

The fourth proportional to 147,701.88, 221,581.98 and 54,208.44 is: 81,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,701.88 : 221,581.98 = 54,208.44 : x
  2. Step 2: Convert to fraction form
    147,701.88/221,581.98 = 54,208.44/x
  3. Step 3: Cross multiply
    147,701.88x = 221,581.98 × 54,208.44
  4. Step 4: Simplify right side
    147,701.88x = 12,011,613,467.91
  5. Step 5: Solve for x
    x = 12,011,613,467.91/147,701.88
  6. Step 6: Final answer
    x = 81,323.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.