Home / 132,009.36-182,108.52-75,405.84

Finding the Fourth Proportional to 132,009.36, 182,108.52 and 75,405.84

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Solution

The fourth proportional to 132,009.36, 182,108.52 and 75,405.84 is: 104,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,009.36 : 182,108.52 = 75,405.84 : x
  2. Step 2: Convert to fraction form
    132,009.36/182,108.52 = 75,405.84/x
  3. Step 3: Cross multiply
    132,009.36x = 182,108.52 × 75,405.84
  4. Step 4: Simplify right side
    132,009.36x = 13,732,045,921.76
  5. Step 5: Solve for x
    x = 13,732,045,921.76/132,009.36
  6. Step 6: Final answer
    x = 104,023.27

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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.