Home / 185,178.96-255,562.70-104,621.28

Finding the Fourth Proportional to 185,178.96, 255,562.70 and 104,621.28

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Solution

The fourth proportional to 185,178.96, 255,562.70 and 104,621.28 is: 144,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,178.96 : 255,562.70 = 104,621.28 : x
  2. Step 2: Convert to fraction form
    185,178.96/255,562.70 = 104,621.28/x
  3. Step 3: Cross multiply
    185,178.96x = 255,562.70 × 104,621.28
  4. Step 4: Simplify right side
    185,178.96x = 26,737,296,794.26
  5. Step 5: Solve for x
    x = 26,737,296,794.26/185,178.96
  6. Step 6: Final answer
    x = 144,386.26

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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.