Home / 125,558.16-173,184.27-80,216.09

Finding the Fourth Proportional to 125,558.16, 173,184.27 and 80,216.09

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Solution

The fourth proportional to 125,558.16, 173,184.27 and 80,216.09 is: 110,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,558.16 : 173,184.27 = 80,216.09 : x
  2. Step 2: Convert to fraction form
    125,558.16/173,184.27 = 80,216.09/x
  3. Step 3: Cross multiply
    125,558.16x = 173,184.27 × 80,216.09
  4. Step 4: Simplify right side
    125,558.16x = 13,892,164,122.98
  5. Step 5: Solve for x
    x = 13,892,164,122.98/125,558.16
  6. Step 6: Final answer
    x = 110,643.26

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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.