Home / 159,591.04-220,235.58-87,972.27

Finding the Fourth Proportional to 159,591.04, 220,235.58 and 87,972.27

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Solution

The fourth proportional to 159,591.04, 220,235.58 and 87,972.27 is: 121,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,591.04 : 220,235.58 = 87,972.27 : x
  2. Step 2: Convert to fraction form
    159,591.04/220,235.58 = 87,972.27/x
  3. Step 3: Cross multiply
    159,591.04x = 220,235.58 × 87,972.27
  4. Step 4: Simplify right side
    159,591.04x = 19,374,623,907.37
  5. Step 5: Solve for x
    x = 19,374,623,907.37/159,591.04
  6. Step 6: Final answer
    x = 121,401.70

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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.