Home / 166,710.06-230,061.42-98,730.90

Finding the Fourth Proportional to 166,710.06, 230,061.42 and 98,730.90

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Solution

The fourth proportional to 166,710.06, 230,061.42 and 98,730.90 is: 136,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,710.06 : 230,061.42 = 98,730.90 : x
  2. Step 2: Convert to fraction form
    166,710.06/230,061.42 = 98,730.90/x
  3. Step 3: Cross multiply
    166,710.06x = 230,061.42 × 98,730.90
  4. Step 4: Simplify right side
    166,710.06x = 22,714,171,051.88
  5. Step 5: Solve for x
    x = 22,714,171,051.88/166,710.06
  6. Step 6: Final answer
    x = 136,249.55

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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.