Home / 147,607.86-221,280.30-54,091.74

Finding the Fourth Proportional to 147,607.86, 221,280.30 and 54,091.74

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Solution

The fourth proportional to 147,607.86, 221,280.30 and 54,091.74 is: 81,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,607.86 : 221,280.30 = 54,091.74 : x
  2. Step 2: Convert to fraction form
    147,607.86/221,280.30 = 54,091.74/x
  3. Step 3: Cross multiply
    147,607.86x = 221,280.30 × 54,091.74
  4. Step 4: Simplify right side
    147,607.86x = 11,969,436,454.72
  5. Step 5: Solve for x
    x = 11,969,436,454.72/147,607.86
  6. Step 6: Final answer
    x = 81,089.42

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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.