Home / 147,629.88-221,445.90-63,318.90

Finding the Fourth Proportional to 147,629.88, 221,445.90 and 63,318.90

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Solution

The fourth proportional to 147,629.88, 221,445.90 and 63,318.90 is: 94,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,629.88 : 221,445.90 = 63,318.90 : x
  2. Step 2: Convert to fraction form
    147,629.88/221,445.90 = 63,318.90/x
  3. Step 3: Cross multiply
    147,629.88x = 221,445.90 × 63,318.90
  4. Step 4: Simplify right side
    147,629.88x = 14,021,710,797.51
  5. Step 5: Solve for x
    x = 14,021,710,797.51/147,629.88
  6. Step 6: Final answer
    x = 94,978.81

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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.