Home / 311,053.40-466,580.10-111,380.30

Finding the Fourth Proportional to 311,053.40, 466,580.10 and 111,380.30

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Solution

The fourth proportional to 311,053.40, 466,580.10 and 111,380.30 is: 167,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,053.40 : 466,580.10 = 111,380.30 : x
  2. Step 2: Convert to fraction form
    311,053.40/466,580.10 = 111,380.30/x
  3. Step 3: Cross multiply
    311,053.40x = 466,580.10 × 111,380.30
  4. Step 4: Simplify right side
    311,053.40x = 51,967,831,512.03
  5. Step 5: Solve for x
    x = 51,967,831,512.03/311,053.40
  6. Step 6: Final answer
    x = 167,070.45

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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.