Home / 148,695.46-205,141.33-84,999.08

Finding the Fourth Proportional to 148,695.46, 205,141.33 and 84,999.08

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Solution

The fourth proportional to 148,695.46, 205,141.33 and 84,999.08 is: 117,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,695.46 : 205,141.33 = 84,999.08 : x
  2. Step 2: Convert to fraction form
    148,695.46/205,141.33 = 84,999.08/x
  3. Step 3: Cross multiply
    148,695.46x = 205,141.33 × 84,999.08
  4. Step 4: Simplify right side
    148,695.46x = 17,436,824,319.98
  5. Step 5: Solve for x
    x = 17,436,824,319.98/148,695.46
  6. Step 6: Final answer
    x = 117,265.34

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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.