Home / 132,521.12-182,885.52-75,932.64

Finding the Fourth Proportional to 132,521.12, 182,885.52 and 75,932.64

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Solution

The fourth proportional to 132,521.12, 182,885.52 and 75,932.64 is: 104,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,521.12 : 182,885.52 = 75,932.64 : x
  2. Step 2: Convert to fraction form
    132,521.12/182,885.52 = 75,932.64/x
  3. Step 3: Cross multiply
    132,521.12x = 182,885.52 × 75,932.64
  4. Step 4: Simplify right side
    132,521.12x = 13,886,980,351.37
  5. Step 5: Solve for x
    x = 13,886,980,351.37/132,521.12
  6. Step 6: Final answer
    x = 104,790.70

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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.