Home / 397,430.36-596,204.82-131,219

Finding the Fourth Proportional to 397,430.36, 596,204.82 and 131,219

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Solution

The fourth proportional to 397,430.36, 596,204.82 and 131,219 is: 196,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,430.36 : 596,204.82 = 131,219 : x
  2. Step 2: Convert to fraction form
    397,430.36/596,204.82 = 131,219/x
  3. Step 3: Cross multiply
    397,430.36x = 596,204.82 × 131,219
  4. Step 4: Simplify right side
    397,430.36x = 78,233,400,275.58
  5. Step 5: Solve for x
    x = 78,233,400,275.58/397,430.36
  6. Step 6: Final answer
    x = 196,848.07

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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.