Home / 125,889.04-173,704.80-75,589.12

Finding the Fourth Proportional to 125,889.04, 173,704.80 and 75,589.12

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Solution

The fourth proportional to 125,889.04, 173,704.80 and 75,589.12 is: 104,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,889.04 : 173,704.80 = 75,589.12 : x
  2. Step 2: Convert to fraction form
    125,889.04/173,704.80 = 75,589.12/x
  3. Step 3: Cross multiply
    125,889.04x = 173,704.80 × 75,589.12
  4. Step 4: Simplify right side
    125,889.04x = 13,130,192,971.78
  5. Step 5: Solve for x
    x = 13,130,192,971.78/125,889.04
  6. Step 6: Final answer
    x = 104,299.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.