Home / 132,031.60-197,701.80-96,780.40

Finding the Fourth Proportional to 132,031.60, 197,701.80 and 96,780.40

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Solution

The fourth proportional to 132,031.60, 197,701.80 and 96,780.40 is: 144,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,031.60 : 197,701.80 = 96,780.40 : x
  2. Step 2: Convert to fraction form
    132,031.60/197,701.80 = 96,780.40/x
  3. Step 3: Cross multiply
    132,031.60x = 197,701.80 × 96,780.40
  4. Step 4: Simplify right side
    132,031.60x = 19,133,659,284.72
  5. Step 5: Solve for x
    x = 19,133,659,284.72/132,031.60
  6. Step 6: Final answer
    x = 144,917.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.