Home / 159,544.02-220,168.04-87,922.50

Finding the Fourth Proportional to 159,544.02, 220,168.04 and 87,922.50

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Solution

The fourth proportional to 159,544.02, 220,168.04 and 87,922.50 is: 121,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,544.02 : 220,168.04 = 87,922.50 : x
  2. Step 2: Convert to fraction form
    159,544.02/220,168.04 = 87,922.50/x
  3. Step 3: Cross multiply
    159,544.02x = 220,168.04 × 87,922.50
  4. Step 4: Simplify right side
    159,544.02x = 19,357,724,496.90
  5. Step 5: Solve for x
    x = 19,357,724,496.90/159,544.02
  6. Step 6: Final answer
    x = 121,331.56

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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.