Home / 459,200.46-688,799.73-126,775.50

Finding the Fourth Proportional to 459,200.46, 688,799.73 and 126,775.50

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Solution

The fourth proportional to 459,200.46, 688,799.73 and 126,775.50 is: 190,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,200.46 : 688,799.73 = 126,775.50 : x
  2. Step 2: Convert to fraction form
    459,200.46/688,799.73 = 126,775.50/x
  3. Step 3: Cross multiply
    459,200.46x = 688,799.73 × 126,775.50
  4. Step 4: Simplify right side
    459,200.46x = 87,322,930,170.62
  5. Step 5: Solve for x
    x = 87,322,930,170.62/459,200.46
  6. Step 6: Final answer
    x = 190,162.98

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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.