Home / 147,801.54-203,905.74-109,132.04

Finding the Fourth Proportional to 147,801.54, 203,905.74 and 109,132.04

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Solution

The fourth proportional to 147,801.54, 203,905.74 and 109,132.04 is: 150,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,801.54 : 203,905.74 = 109,132.04 : x
  2. Step 2: Convert to fraction form
    147,801.54/203,905.74 = 109,132.04/x
  3. Step 3: Cross multiply
    147,801.54x = 203,905.74 × 109,132.04
  4. Step 4: Simplify right side
    147,801.54x = 22,252,649,373.91
  5. Step 5: Solve for x
    x = 22,252,649,373.91/147,801.54
  6. Step 6: Final answer
    x = 150,557.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.