Home / 158,724.08-219,221.16-104,518.58

Finding the Fourth Proportional to 158,724.08, 219,221.16 and 104,518.58

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Solution

The fourth proportional to 158,724.08, 219,221.16 and 104,518.58 is: 144,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,724.08 : 219,221.16 = 104,518.58 : x
  2. Step 2: Convert to fraction form
    158,724.08/219,221.16 = 104,518.58/x
  3. Step 3: Cross multiply
    158,724.08x = 219,221.16 × 104,518.58
  4. Step 4: Simplify right side
    158,724.08x = 22,912,684,349.15
  5. Step 5: Solve for x
    x = 22,912,684,349.15/158,724.08
  6. Step 6: Final answer
    x = 144,355.44

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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.