Home / 125,258.72-187,887.68-31,764.24

Finding the Fourth Proportional to 125,258.72, 187,887.68 and 31,764.24

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Solution

The fourth proportional to 125,258.72, 187,887.68 and 31,764.24 is: 47,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,258.72 : 187,887.68 = 31,764.24 : x
  2. Step 2: Convert to fraction form
    125,258.72/187,887.68 = 31,764.24/x
  3. Step 3: Cross multiply
    125,258.72x = 187,887.68 × 31,764.24
  4. Step 4: Simplify right side
    125,258.72x = 5,968,109,360.56
  5. Step 5: Solve for x
    x = 5,968,109,360.56/125,258.72
  6. Step 6: Final answer
    x = 47,646.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.