Home / 147,563.86-221,214.30-54,047.74

Finding the Fourth Proportional to 147,563.86, 221,214.30 and 54,047.74

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Solution

The fourth proportional to 147,563.86, 221,214.30 and 54,047.74 is: 81,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,563.86 : 221,214.30 = 54,047.74 : x
  2. Step 2: Convert to fraction form
    147,563.86/221,214.30 = 54,047.74/x
  3. Step 3: Cross multiply
    147,563.86x = 221,214.30 × 54,047.74
  4. Step 4: Simplify right side
    147,563.86x = 11,956,132,970.68
  5. Step 5: Solve for x
    x = 11,956,132,970.68/147,563.86
  6. Step 6: Final answer
    x = 81,023.45

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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.