Home / 608,931.18-913,511.58-188,108.64

Finding the Fourth Proportional to 608,931.18, 913,511.58 and 188,108.64

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Solution

The fourth proportional to 608,931.18, 913,511.58 and 188,108.64 is: 282,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,931.18 : 913,511.58 = 188,108.64 : x
  2. Step 2: Convert to fraction form
    608,931.18/913,511.58 = 188,108.64/x
  3. Step 3: Cross multiply
    608,931.18x = 913,511.58 × 188,108.64
  4. Step 4: Simplify right side
    608,931.18x = 171,839,420,938.05
  5. Step 5: Solve for x
    x = 171,839,420,938.05/608,931.18
  6. Step 6: Final answer
    x = 282,198.43

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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.