Home / 125,772.90-173,550.80-85,025.66

Finding the Fourth Proportional to 125,772.90, 173,550.80 and 85,025.66

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Solution

The fourth proportional to 125,772.90, 173,550.80 and 85,025.66 is: 117,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,772.90 : 173,550.80 = 85,025.66 : x
  2. Step 2: Convert to fraction form
    125,772.90/173,550.80 = 85,025.66/x
  3. Step 3: Cross multiply
    125,772.90x = 173,550.80 × 85,025.66
  4. Step 4: Simplify right side
    125,772.90x = 14,756,271,754.13
  5. Step 5: Solve for x
    x = 14,756,271,754.13/125,772.90
  6. Step 6: Final answer
    x = 117,324.73

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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.