Home / 129,567.48-194,307.80-49,586.87

Finding the Fourth Proportional to 129,567.48, 194,307.80 and 49,586.87

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Solution

The fourth proportional to 129,567.48, 194,307.80 and 49,586.87 is: 74,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,567.48 : 194,307.80 = 49,586.87 : x
  2. Step 2: Convert to fraction form
    129,567.48/194,307.80 = 49,586.87/x
  3. Step 3: Cross multiply
    129,567.48x = 194,307.80 × 49,586.87
  4. Step 4: Simplify right side
    129,567.48x = 9,635,114,399.11
  5. Step 5: Solve for x
    x = 9,635,114,399.11/129,567.48
  6. Step 6: Final answer
    x = 74,363.68

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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.