Home / 459,057.05-688,585.58-193,117.85

Finding the Fourth Proportional to 459,057.05, 688,585.58 and 193,117.85

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Solution

The fourth proportional to 459,057.05, 688,585.58 and 193,117.85 is: 289,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,057.05 : 688,585.58 = 193,117.85 : x
  2. Step 2: Convert to fraction form
    459,057.05/688,585.58 = 193,117.85/x
  3. Step 3: Cross multiply
    459,057.05x = 688,585.58 × 193,117.85
  4. Step 4: Simplify right side
    459,057.05x = 132,978,165,785.01
  5. Step 5: Solve for x
    x = 132,978,165,785.01/459,057.05
  6. Step 6: Final answer
    x = 289,676.78

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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.