Home / 509,738.35-764,444.10-168,105.08

Finding the Fourth Proportional to 509,738.35, 764,444.10 and 168,105.08

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Solution

The fourth proportional to 509,738.35, 764,444.10 and 168,105.08 is: 252,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,738.35 : 764,444.10 = 168,105.08 : x
  2. Step 2: Convert to fraction form
    509,738.35/764,444.10 = 168,105.08/x
  3. Step 3: Cross multiply
    509,738.35x = 764,444.10 × 168,105.08
  4. Step 4: Simplify right side
    509,738.35x = 128,506,936,586.03
  5. Step 5: Solve for x
    x = 128,506,936,586.03/509,738.35
  6. Step 6: Final answer
    x = 252,103.72

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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.