Home / 113,818.62-170,580.30-76,322.51

Finding the Fourth Proportional to 113,818.62, 170,580.30 and 76,322.51

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Solution

The fourth proportional to 113,818.62, 170,580.30 and 76,322.51 is: 114,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.62 : 170,580.30 = 76,322.51 : x
  2. Step 2: Convert to fraction form
    113,818.62/170,580.30 = 76,322.51/x
  3. Step 3: Cross multiply
    113,818.62x = 170,580.30 × 76,322.51
  4. Step 4: Simplify right side
    113,818.62x = 13,019,115,799.65
  5. Step 5: Solve for x
    x = 13,019,115,799.65/113,818.62
  6. Step 6: Final answer
    x = 114,384.76

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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.