Home / 146,721.60-202,475.88-83,058.12

Finding the Fourth Proportional to 146,721.60, 202,475.88 and 83,058.12

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Solution

The fourth proportional to 146,721.60, 202,475.88 and 83,058.12 is: 114,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,721.60 : 202,475.88 = 83,058.12 : x
  2. Step 2: Convert to fraction form
    146,721.60/202,475.88 = 83,058.12/x
  3. Step 3: Cross multiply
    146,721.60x = 202,475.88 × 83,058.12
  4. Step 4: Simplify right side
    146,721.60x = 16,817,265,938.15
  5. Step 5: Solve for x
    x = 16,817,265,938.15/146,721.60
  6. Step 6: Final answer
    x = 114,620.25

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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.