Home / 193,557.60-290,055.06-85,355.37

Finding the Fourth Proportional to 193,557.60, 290,055.06 and 85,355.37

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Solution

The fourth proportional to 193,557.60, 290,055.06 and 85,355.37 is: 127,908.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,557.60 : 290,055.06 = 85,355.37 : x
  2. Step 2: Convert to fraction form
    193,557.60/290,055.06 = 85,355.37/x
  3. Step 3: Cross multiply
    193,557.60x = 290,055.06 × 85,355.37
  4. Step 4: Simplify right side
    193,557.60x = 24,757,756,966.67
  5. Step 5: Solve for x
    x = 24,757,756,966.67/193,557.60
  6. Step 6: Final answer
    x = 127,908.99

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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.