Home / 146,686.20-202,386.12-83,022.64

Finding the Fourth Proportional to 146,686.20, 202,386.12 and 83,022.64

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Solution

The fourth proportional to 146,686.20, 202,386.12 and 83,022.64 is: 114,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,686.20 : 202,386.12 = 83,022.64 : x
  2. Step 2: Convert to fraction form
    146,686.20/202,386.12 = 83,022.64/x
  3. Step 3: Cross multiply
    146,686.20x = 202,386.12 × 83,022.64
  4. Step 4: Simplify right side
    146,686.20x = 16,802,629,981.76
  5. Step 5: Solve for x
    x = 16,802,629,981.76/146,686.20
  6. Step 6: Final answer
    x = 114,548.13

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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.