Home / 324,200.32-486,325.06-87,539.56

Finding the Fourth Proportional to 324,200.32, 486,325.06 and 87,539.56

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Solution

The fourth proportional to 324,200.32, 486,325.06 and 87,539.56 is: 131,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,200.32 : 486,325.06 = 87,539.56 : x
  2. Step 2: Convert to fraction form
    324,200.32/486,325.06 = 87,539.56/x
  3. Step 3: Cross multiply
    324,200.32x = 486,325.06 × 87,539.56
  4. Step 4: Simplify right side
    324,200.32x = 42,572,681,769.37
  5. Step 5: Solve for x
    x = 42,572,681,769.37/324,200.32
  6. Step 6: Final answer
    x = 131,315.98

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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.