Home / 132,021.60-197,686.80-96,770.40

Finding the Fourth Proportional to 132,021.60, 197,686.80 and 96,770.40

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Solution

The fourth proportional to 132,021.60, 197,686.80 and 96,770.40 is: 144,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,021.60 : 197,686.80 = 96,770.40 : x
  2. Step 2: Convert to fraction form
    132,021.60/197,686.80 = 96,770.40/x
  3. Step 3: Cross multiply
    132,021.60x = 197,686.80 × 96,770.40
  4. Step 4: Simplify right side
    132,021.60x = 19,130,230,710.72
  5. Step 5: Solve for x
    x = 19,130,230,710.72/132,021.60
  6. Step 6: Final answer
    x = 144,902.28

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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.