Home / 158,723.08-219,219.78-104,517.58

Finding the Fourth Proportional to 158,723.08, 219,219.78 and 104,517.58

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Solution

The fourth proportional to 158,723.08, 219,219.78 and 104,517.58 is: 144,354.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,723.08 : 219,219.78 = 104,517.58 : x
  2. Step 2: Convert to fraction form
    158,723.08/219,219.78 = 104,517.58/x
  3. Step 3: Cross multiply
    158,723.08x = 219,219.78 × 104,517.58
  4. Step 4: Simplify right side
    158,723.08x = 22,912,321,373.32
  5. Step 5: Solve for x
    x = 22,912,321,373.32/158,723.08
  6. Step 6: Final answer
    x = 144,354.06

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1.5x scale

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.