Home / 423,022-634,550.28-107,487.04

Finding the Fourth Proportional to 423,022, 634,550.28 and 107,487.04

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Solution

The fourth proportional to 423,022, 634,550.28 and 107,487.04 is: 161,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,022 : 634,550.28 = 107,487.04 : x
  2. Step 2: Convert to fraction form
    423,022/634,550.28 = 107,487.04/x
  3. Step 3: Cross multiply
    423,022x = 634,550.28 × 107,487.04
  4. Step 4: Simplify right side
    423,022x = 68,205,931,328.37
  5. Step 5: Solve for x
    x = 68,205,931,328.37/423,022
  6. Step 6: Final answer
    x = 161,234.95

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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.