Home / 193,381.53-290,065.89-79,525.40

Finding the Fourth Proportional to 193,381.53, 290,065.89 and 79,525.40

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Solution

The fourth proportional to 193,381.53, 290,065.89 and 79,525.40 is: 119,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,381.53 : 290,065.89 = 79,525.40 : x
  2. Step 2: Convert to fraction form
    193,381.53/290,065.89 = 79,525.40/x
  3. Step 3: Cross multiply
    193,381.53x = 290,065.89 × 79,525.40
  4. Step 4: Simplify right side
    193,381.53x = 23,067,604,776.50
  5. Step 5: Solve for x
    x = 23,067,604,776.50/193,381.53
  6. Step 6: Final answer
    x = 119,285.46

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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.