Home / 146,828.08-202,587.90-86,401.36

Finding the Fourth Proportional to 146,828.08, 202,587.90 and 86,401.36

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Solution

The fourth proportional to 146,828.08, 202,587.90 and 86,401.36 is: 119,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,828.08 : 202,587.90 = 86,401.36 : x
  2. Step 2: Convert to fraction form
    146,828.08/202,587.90 = 86,401.36/x
  3. Step 3: Cross multiply
    146,828.08x = 202,587.90 × 86,401.36
  4. Step 4: Simplify right side
    146,828.08x = 17,503,870,079.54
  5. Step 5: Solve for x
    x = 17,503,870,079.54/146,828.08
  6. Step 6: Final answer
    x = 119,213.37

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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.