Home / 125,550.36-173,187.12-75,220.20

Finding the Fourth Proportional to 125,550.36, 173,187.12 and 75,220.20

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Solution

The fourth proportional to 125,550.36, 173,187.12 and 75,220.20 is: 103,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,550.36 : 173,187.12 = 75,220.20 : x
  2. Step 2: Convert to fraction form
    125,550.36/173,187.12 = 75,220.20/x
  3. Step 3: Cross multiply
    125,550.36x = 173,187.12 × 75,220.20
  4. Step 4: Simplify right side
    125,550.36x = 13,027,169,803.82
  5. Step 5: Solve for x
    x = 13,027,169,803.82/125,550.36
  6. Step 6: Final answer
    x = 103,760.51

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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.