Home / 194,945.66-292,428.80-54,715.22

Finding the Fourth Proportional to 194,945.66, 292,428.80 and 54,715.22

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Solution

The fourth proportional to 194,945.66, 292,428.80 and 54,715.22 is: 82,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,945.66 : 292,428.80 = 54,715.22 : x
  2. Step 2: Convert to fraction form
    194,945.66/292,428.80 = 54,715.22/x
  3. Step 3: Cross multiply
    194,945.66x = 292,428.80 × 54,715.22
  4. Step 4: Simplify right side
    194,945.66x = 16,000,304,390.62
  5. Step 5: Solve for x
    x = 16,000,304,390.62/194,945.66
  6. Step 6: Final answer
    x = 82,075.72

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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.