Home / 132,020.90-197,455.35-118,081.70

Finding the Fourth Proportional to 132,020.90, 197,455.35 and 118,081.70

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Solution

The fourth proportional to 132,020.90, 197,455.35 and 118,081.70 is: 176,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,020.90 : 197,455.35 = 118,081.70 : x
  2. Step 2: Convert to fraction form
    132,020.90/197,455.35 = 118,081.70/x
  3. Step 3: Cross multiply
    132,020.90x = 197,455.35 × 118,081.70
  4. Step 4: Simplify right side
    132,020.90x = 23,315,863,402.10
  5. Step 5: Solve for x
    x = 23,315,863,402.10/132,020.90
  6. Step 6: Final answer
    x = 176,607.37

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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.