Home / 125,467.08-173,065.80-74,443.69

Finding the Fourth Proportional to 125,467.08, 173,065.80 and 74,443.69

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Solution

The fourth proportional to 125,467.08, 173,065.80 and 74,443.69 is: 102,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,467.08 : 173,065.80 = 74,443.69 : x
  2. Step 2: Convert to fraction form
    125,467.08/173,065.80 = 74,443.69/x
  3. Step 3: Cross multiply
    125,467.08x = 173,065.80 × 74,443.69
  4. Step 4: Simplify right side
    125,467.08x = 12,883,656,764.80
  5. Step 5: Solve for x
    x = 12,883,656,764.80/125,467.08
  6. Step 6: Final answer
    x = 102,685.56

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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.