Home / 194,710.14-290,346.53-187,771.82

Finding the Fourth Proportional to 194,710.14, 290,346.53 and 187,771.82

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Solution

The fourth proportional to 194,710.14, 290,346.53 and 187,771.82 is: 280,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,710.14 : 290,346.53 = 187,771.82 : x
  2. Step 2: Convert to fraction form
    194,710.14/290,346.53 = 187,771.82/x
  3. Step 3: Cross multiply
    194,710.14x = 290,346.53 × 187,771.82
  4. Step 4: Simplify right side
    194,710.14x = 54,518,893,978.19
  5. Step 5: Solve for x
    x = 54,518,893,978.19/194,710.14
  6. Step 6: Final answer
    x = 280,000.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.