Home / 147,438.21-221,171.67-58,670.97

Finding the Fourth Proportional to 147,438.21, 221,171.67 and 58,670.97

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Solution

The fourth proportional to 147,438.21, 221,171.67 and 58,670.97 is: 88,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,438.21 : 221,171.67 = 58,670.97 : x
  2. Step 2: Convert to fraction form
    147,438.21/221,171.67 = 58,670.97/x
  3. Step 3: Cross multiply
    147,438.21x = 221,171.67 × 58,670.97
  4. Step 4: Simplify right side
    147,438.21x = 12,976,356,415.42
  5. Step 5: Solve for x
    x = 12,976,356,415.42/147,438.21
  6. Step 6: Final answer
    x = 88,012.17

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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.