Home / 147,763.36-221,666.91-54,261.82

Finding the Fourth Proportional to 147,763.36, 221,666.91 and 54,261.82

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Solution

The fourth proportional to 147,763.36, 221,666.91 and 54,261.82 is: 81,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,763.36 : 221,666.91 = 54,261.82 : x
  2. Step 2: Convert to fraction form
    147,763.36/221,666.91 = 54,261.82/x
  3. Step 3: Cross multiply
    147,763.36x = 221,666.91 × 54,261.82
  4. Step 4: Simplify right side
    147,763.36x = 12,028,049,970.38
  5. Step 5: Solve for x
    x = 12,028,049,970.38/147,763.36
  6. Step 6: Final answer
    x = 81,400.76

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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.