Home / 159,715.80-239,610.15-54,533.25

Finding the Fourth Proportional to 159,715.80, 239,610.15 and 54,533.25

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Solution

The fourth proportional to 159,715.80, 239,610.15 and 54,533.25 is: 81,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,715.80 : 239,610.15 = 54,533.25 : x
  2. Step 2: Convert to fraction form
    159,715.80/239,610.15 = 54,533.25/x
  3. Step 3: Cross multiply
    159,715.80x = 239,610.15 × 54,533.25
  4. Step 4: Simplify right side
    159,715.80x = 13,066,720,212.49
  5. Step 5: Solve for x
    x = 13,066,720,212.49/159,715.80
  6. Step 6: Final answer
    x = 81,812.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.