Home / 129,947.88-194,999.58-56,075.88

Finding the Fourth Proportional to 129,947.88, 194,999.58 and 56,075.88

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Solution

The fourth proportional to 129,947.88, 194,999.58 and 56,075.88 is: 84,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,947.88 : 194,999.58 = 56,075.88 : x
  2. Step 2: Convert to fraction form
    129,947.88/194,999.58 = 56,075.88/x
  3. Step 3: Cross multiply
    129,947.88x = 194,999.58 × 56,075.88
  4. Step 4: Simplify right side
    129,947.88x = 10,934,773,048.13
  5. Step 5: Solve for x
    x = 10,934,773,048.13/129,947.88
  6. Step 6: Final answer
    x = 84,147.38

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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.