Home / 146,980.63-202,827.39-86,553.82

Finding the Fourth Proportional to 146,980.63, 202,827.39 and 86,553.82

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Solution

The fourth proportional to 146,980.63, 202,827.39 and 86,553.82 is: 119,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,980.63 : 202,827.39 = 86,553.82 : x
  2. Step 2: Convert to fraction form
    146,980.63/202,827.39 = 86,553.82/x
  3. Step 3: Cross multiply
    146,980.63x = 202,827.39 × 86,553.82
  4. Step 4: Simplify right side
    146,980.63x = 17,555,484,390.99
  5. Step 5: Solve for x
    x = 17,555,484,390.99/146,980.63
  6. Step 6: Final answer
    x = 119,440.81

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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.