Home / 147,627.92-221,310.24-54,111.80

Finding the Fourth Proportional to 147,627.92, 221,310.24 and 54,111.80

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Solution

The fourth proportional to 147,627.92, 221,310.24 and 54,111.80 is: 81,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,627.92 : 221,310.24 = 54,111.80 : x
  2. Step 2: Convert to fraction form
    147,627.92/221,310.24 = 54,111.80/x
  3. Step 3: Cross multiply
    147,627.92x = 221,310.24 × 54,111.80
  4. Step 4: Simplify right side
    147,627.92x = 11,975,495,444.83
  5. Step 5: Solve for x
    x = 11,975,495,444.83/147,627.92
  6. Step 6: Final answer
    x = 81,119.45

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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.