Home / 147,571.13-221,302.47-52,775.66

Finding the Fourth Proportional to 147,571.13, 221,302.47 and 52,775.66

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Solution

The fourth proportional to 147,571.13, 221,302.47 and 52,775.66 is: 79,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,571.13 : 221,302.47 = 52,775.66 : x
  2. Step 2: Convert to fraction form
    147,571.13/221,302.47 = 52,775.66/x
  3. Step 3: Cross multiply
    147,571.13x = 221,302.47 × 52,775.66
  4. Step 4: Simplify right side
    147,571.13x = 11,679,383,913.88
  5. Step 5: Solve for x
    x = 11,679,383,913.88/147,571.13
  6. Step 6: Final answer
    x = 79,144.10

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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.