Home / 131,565.03-197,359.84-42,794.70

Finding the Fourth Proportional to 131,565.03, 197,359.84 and 42,794.70

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Solution

The fourth proportional to 131,565.03, 197,359.84 and 42,794.70 is: 64,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,565.03 : 197,359.84 = 42,794.70 : x
  2. Step 2: Convert to fraction form
    131,565.03/197,359.84 = 42,794.70/x
  3. Step 3: Cross multiply
    131,565.03x = 197,359.84 × 42,794.70
  4. Step 4: Simplify right side
    131,565.03x = 8,445,954,458.24
  5. Step 5: Solve for x
    x = 8,445,954,458.24/131,565.03
  6. Step 6: Final answer
    x = 64,196.05

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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.