Home / 194,701.19-290,333.16-187,762.82

Finding the Fourth Proportional to 194,701.19, 290,333.16 and 187,762.82

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Solution

The fourth proportional to 194,701.19, 290,333.16 and 187,762.82 is: 279,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,701.19 : 290,333.16 = 187,762.82 : x
  2. Step 2: Convert to fraction form
    194,701.19/290,333.16 = 187,762.82/x
  3. Step 3: Cross multiply
    194,701.19x = 290,333.16 × 187,762.82
  4. Step 4: Simplify right side
    194,701.19x = 54,513,771,409.45
  5. Step 5: Solve for x
    x = 54,513,771,409.45/194,701.19
  6. Step 6: Final answer
    x = 279,986.85

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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.