Home / 159,823.04-239,881.76-80,993.12

Finding the Fourth Proportional to 159,823.04, 239,881.76 and 80,993.12

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Solution

The fourth proportional to 159,823.04, 239,881.76 and 80,993.12 is: 121,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,823.04 : 239,881.76 = 80,993.12 : x
  2. Step 2: Convert to fraction form
    159,823.04/239,881.76 = 80,993.12/x
  3. Step 3: Cross multiply
    159,823.04x = 239,881.76 × 80,993.12
  4. Step 4: Simplify right side
    159,823.04x = 19,428,772,173.49
  5. Step 5: Solve for x
    x = 19,428,772,173.49/159,823.04
  6. Step 6: Final answer
    x = 121,564.28

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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.