Home / 181,303.31-250,198.86-100,730.93

Finding the Fourth Proportional to 181,303.31, 250,198.86 and 100,730.93

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Solution

The fourth proportional to 181,303.31, 250,198.86 and 100,730.93 is: 139,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,303.31 : 250,198.86 = 100,730.93 : x
  2. Step 2: Convert to fraction form
    181,303.31/250,198.86 = 100,730.93/x
  3. Step 3: Cross multiply
    181,303.31x = 250,198.86 × 100,730.93
  4. Step 4: Simplify right side
    181,303.31x = 25,202,762,601.75
  5. Step 5: Solve for x
    x = 25,202,762,601.75/181,303.31
  6. Step 6: Final answer
    x = 139,008.84

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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.