Home / 133,029.31-183,573.09-75,660.88

Finding the Fourth Proportional to 133,029.31, 183,573.09 and 75,660.88

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Solution

The fourth proportional to 133,029.31, 183,573.09 and 75,660.88 is: 104,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029.31 : 183,573.09 = 75,660.88 : x
  2. Step 2: Convert to fraction form
    133,029.31/183,573.09 = 75,660.88/x
  3. Step 3: Cross multiply
    133,029.31x = 183,573.09 × 75,660.88
  4. Step 4: Simplify right side
    133,029.31x = 13,889,301,533.72
  5. Step 5: Solve for x
    x = 13,889,301,533.72/133,029.31
  6. Step 6: Final answer
    x = 104,407.83

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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.