Home / 218,635.62-327,953.43-125,075.76

Finding the Fourth Proportional to 218,635.62, 327,953.43 and 125,075.76

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Solution

The fourth proportional to 218,635.62, 327,953.43 and 125,075.76 is: 187,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,635.62 : 327,953.43 = 125,075.76 : x
  2. Step 2: Convert to fraction form
    218,635.62/327,953.43 = 125,075.76/x
  3. Step 3: Cross multiply
    218,635.62x = 327,953.43 × 125,075.76
  4. Step 4: Simplify right side
    218,635.62x = 41,019,024,501.86
  5. Step 5: Solve for x
    x = 41,019,024,501.86/218,635.62
  6. Step 6: Final answer
    x = 187,613.64

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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.