Home / 132,021.95-197,953.83-42,025.78

Finding the Fourth Proportional to 132,021.95, 197,953.83 and 42,025.78

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Solution

The fourth proportional to 132,021.95, 197,953.83 and 42,025.78 is: 63,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,021.95 : 197,953.83 = 42,025.78 : x
  2. Step 2: Convert to fraction form
    132,021.95/197,953.83 = 42,025.78/x
  3. Step 3: Cross multiply
    132,021.95x = 197,953.83 × 42,025.78
  4. Step 4: Simplify right side
    132,021.95x = 8,319,164,109.74
  5. Step 5: Solve for x
    x = 8,319,164,109.74/132,021.95
  6. Step 6: Final answer
    x = 63,013.49

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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.