Home / 130,473.66-180,053.64-73,895.97

Finding the Fourth Proportional to 130,473.66, 180,053.64 and 73,895.97

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Solution

The fourth proportional to 130,473.66, 180,053.64 and 73,895.97 is: 101,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,473.66 : 180,053.64 = 73,895.97 : x
  2. Step 2: Convert to fraction form
    130,473.66/180,053.64 = 73,895.97/x
  3. Step 3: Cross multiply
    130,473.66x = 180,053.64 × 73,895.97
  4. Step 4: Simplify right side
    130,473.66x = 13,305,238,379.83
  5. Step 5: Solve for x
    x = 13,305,238,379.83/130,473.66
  6. Step 6: Final answer
    x = 101,976.43

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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.