Home / 146,679.72-202,411.89-83,021.04

Finding the Fourth Proportional to 146,679.72, 202,411.89 and 83,021.04

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Solution

The fourth proportional to 146,679.72, 202,411.89 and 83,021.04 is: 114,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,679.72 : 202,411.89 = 83,021.04 : x
  2. Step 2: Convert to fraction form
    146,679.72/202,411.89 = 83,021.04/x
  3. Step 3: Cross multiply
    146,679.72x = 202,411.89 × 83,021.04
  4. Step 4: Simplify right side
    146,679.72x = 16,804,445,616.17
  5. Step 5: Solve for x
    x = 16,804,445,616.17/146,679.72
  6. Step 6: Final answer
    x = 114,565.57

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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.