Home / 239,480.19-330,139.26-188,404.22

Finding the Fourth Proportional to 239,480.19, 330,139.26 and 188,404.22

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Solution

The fourth proportional to 239,480.19, 330,139.26 and 188,404.22 is: 259,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,480.19 : 330,139.26 = 188,404.22 : x
  2. Step 2: Convert to fraction form
    239,480.19/330,139.26 = 188,404.22/x
  3. Step 3: Cross multiply
    239,480.19x = 330,139.26 × 188,404.22
  4. Step 4: Simplify right side
    239,480.19x = 62,199,630,597.03
  5. Step 5: Solve for x
    x = 62,199,630,597.03/239,480.19
  6. Step 6: Final answer
    x = 259,727.67

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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.