Home / 130,728.82-196,070.66-34,666.71

Finding the Fourth Proportional to 130,728.82, 196,070.66 and 34,666.71

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Solution

The fourth proportional to 130,728.82, 196,070.66 and 34,666.71 is: 51,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,728.82 : 196,070.66 = 34,666.71 : x
  2. Step 2: Convert to fraction form
    130,728.82/196,070.66 = 34,666.71/x
  3. Step 3: Cross multiply
    130,728.82x = 196,070.66 × 34,666.71
  4. Step 4: Simplify right side
    130,728.82x = 6,797,124,709.73
  5. Step 5: Solve for x
    x = 6,797,124,709.73/130,728.82
  6. Step 6: Final answer
    x = 51,994.08

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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.