Home / 120,027.04-180,153.56-60,905.14

Finding the Fourth Proportional to 120,027.04, 180,153.56 and 60,905.14

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Solution

The fourth proportional to 120,027.04, 180,153.56 and 60,905.14 is: 91,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,027.04 : 180,153.56 = 60,905.14 : x
  2. Step 2: Convert to fraction form
    120,027.04/180,153.56 = 60,905.14/x
  3. Step 3: Cross multiply
    120,027.04x = 180,153.56 × 60,905.14
  4. Step 4: Simplify right side
    120,027.04x = 10,972,277,793.30
  5. Step 5: Solve for x
    x = 10,972,277,793.30/120,027.04
  6. Step 6: Final answer
    x = 91,415.05

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1.5x scale

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.