Home / 147,559.86-221,208.30-54,043.74

Finding the Fourth Proportional to 147,559.86, 221,208.30 and 54,043.74

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Solution

The fourth proportional to 147,559.86, 221,208.30 and 54,043.74 is: 81,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,559.86 : 221,208.30 = 54,043.74 : x
  2. Step 2: Convert to fraction form
    147,559.86/221,208.30 = 54,043.74/x
  3. Step 3: Cross multiply
    147,559.86x = 221,208.30 × 54,043.74
  4. Step 4: Simplify right side
    147,559.86x = 11,954,923,851.04
  5. Step 5: Solve for x
    x = 11,954,923,851.04/147,559.86
  6. Step 6: Final answer
    x = 81,017.45

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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.