Home / 177,786.72-245,345.76-101,303.64

Finding the Fourth Proportional to 177,786.72, 245,345.76 and 101,303.64

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Solution

The fourth proportional to 177,786.72, 245,345.76 and 101,303.64 is: 139,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,786.72 : 245,345.76 = 101,303.64 : x
  2. Step 2: Convert to fraction form
    177,786.72/245,345.76 = 101,303.64/x
  3. Step 3: Cross multiply
    177,786.72x = 245,345.76 × 101,303.64
  4. Step 4: Simplify right side
    177,786.72x = 24,854,418,546.57
  5. Step 5: Solve for x
    x = 24,854,418,546.57/177,786.72
  6. Step 6: Final answer
    x = 139,799.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.