Home / 125,525.76-173,231.36-75,224.32

Finding the Fourth Proportional to 125,525.76, 173,231.36 and 75,224.32

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Solution

The fourth proportional to 125,525.76, 173,231.36 and 75,224.32 is: 103,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,525.76 : 173,231.36 = 75,224.32 : x
  2. Step 2: Convert to fraction form
    125,525.76/173,231.36 = 75,224.32/x
  3. Step 3: Cross multiply
    125,525.76x = 173,231.36 × 75,224.32
  4. Step 4: Simplify right side
    125,525.76x = 13,031,211,258.68
  5. Step 5: Solve for x
    x = 13,031,211,258.68/125,525.76
  6. Step 6: Final answer
    x = 103,813.04

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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.