Home / 125,649.21-173,436.30-80,448.93

Finding the Fourth Proportional to 125,649.21, 173,436.30 and 80,448.93

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Solution

The fourth proportional to 125,649.21, 173,436.30 and 80,448.93 is: 111,045.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,649.21 : 173,436.30 = 80,448.93 : x
  2. Step 2: Convert to fraction form
    125,649.21/173,436.30 = 80,448.93/x
  3. Step 3: Cross multiply
    125,649.21x = 173,436.30 × 80,448.93
  4. Step 4: Simplify right side
    125,649.21x = 13,952,764,758.16
  5. Step 5: Solve for x
    x = 13,952,764,758.16/125,649.21
  6. Step 6: Final answer
    x = 111,045.38

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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.