Home / 423,170.24-634,752.62-107,624.42

Finding the Fourth Proportional to 423,170.24, 634,752.62 and 107,624.42

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Solution

The fourth proportional to 423,170.24, 634,752.62 and 107,624.42 is: 161,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,170.24 : 634,752.62 = 107,624.42 : x
  2. Step 2: Convert to fraction form
    423,170.24/634,752.62 = 107,624.42/x
  3. Step 3: Cross multiply
    423,170.24x = 634,752.62 × 107,624.42
  4. Step 4: Simplify right side
    423,170.24x = 68,314,882,570.98
  5. Step 5: Solve for x
    x = 68,314,882,570.98/423,170.24
  6. Step 6: Final answer
    x = 161,435.93

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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.