Home / 133,080.01-183,650.83-85,333.55

Finding the Fourth Proportional to 133,080.01, 183,650.83 and 85,333.55

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Solution

The fourth proportional to 133,080.01, 183,650.83 and 85,333.55 is: 117,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,080.01 : 183,650.83 = 85,333.55 : x
  2. Step 2: Convert to fraction form
    133,080.01/183,650.83 = 85,333.55/x
  3. Step 3: Cross multiply
    133,080.01x = 183,650.83 × 85,333.55
  4. Step 4: Simplify right side
    133,080.01x = 15,671,576,152.76
  5. Step 5: Solve for x
    x = 15,671,576,152.76/133,080.01
  6. Step 6: Final answer
    x = 117,760.56

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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.