Home / 133,238.28-183,851.12-85,556.22

Finding the Fourth Proportional to 133,238.28, 183,851.12 and 85,556.22

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Solution

The fourth proportional to 133,238.28, 183,851.12 and 85,556.22 is: 118,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,238.28 : 183,851.12 = 85,556.22 : x
  2. Step 2: Convert to fraction form
    133,238.28/183,851.12 = 85,556.22/x
  3. Step 3: Cross multiply
    133,238.28x = 183,851.12 × 85,556.22
  4. Step 4: Simplify right side
    133,238.28x = 15,729,605,913.16
  5. Step 5: Solve for x
    x = 15,729,605,913.16/133,238.28
  6. Step 6: Final answer
    x = 118,056.20

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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.