Home / 125,873.12-173,616.44-82,838.90

Finding the Fourth Proportional to 125,873.12, 173,616.44 and 82,838.90

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Solution

The fourth proportional to 125,873.12, 173,616.44 and 82,838.90 is: 114,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,873.12 : 173,616.44 = 82,838.90 : x
  2. Step 2: Convert to fraction form
    125,873.12/173,616.44 = 82,838.90/x
  3. Step 3: Cross multiply
    125,873.12x = 173,616.44 × 82,838.90
  4. Step 4: Simplify right side
    125,873.12x = 14,382,194,911.52
  5. Step 5: Solve for x
    x = 14,382,194,911.52/125,873.12
  6. Step 6: Final answer
    x = 114,259.46

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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.