Home / 147,776.75-203,933.21-84,118.64

Finding the Fourth Proportional to 147,776.75, 203,933.21 and 84,118.64

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Solution

The fourth proportional to 147,776.75, 203,933.21 and 84,118.64 is: 116,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,776.75 : 203,933.21 = 84,118.64 : x
  2. Step 2: Convert to fraction form
    147,776.75/203,933.21 = 84,118.64/x
  3. Step 3: Cross multiply
    147,776.75x = 203,933.21 × 84,118.64
  4. Step 4: Simplify right side
    147,776.75x = 17,154,584,276.03
  5. Step 5: Solve for x
    x = 17,154,584,276.03/147,776.75
  6. Step 6: Final answer
    x = 116,084.46

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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.