Home / 132,447.06-182,775.96-72,017.64

Finding the Fourth Proportional to 132,447.06, 182,775.96 and 72,017.64

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Solution

The fourth proportional to 132,447.06, 182,775.96 and 72,017.64 is: 99,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,447.06 : 182,775.96 = 72,017.64 : x
  2. Step 2: Convert to fraction form
    132,447.06/182,775.96 = 72,017.64/x
  3. Step 3: Cross multiply
    132,447.06x = 182,775.96 × 72,017.64
  4. Step 4: Simplify right side
    132,447.06x = 13,163,093,287.93
  5. Step 5: Solve for x
    x = 13,163,093,287.93/132,447.06
  6. Step 6: Final answer
    x = 99,383.81

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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.