Home / 459,114.80-688,672.20-193,175.60

Finding the Fourth Proportional to 459,114.80, 688,672.20 and 193,175.60

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Solution

The fourth proportional to 459,114.80, 688,672.20 and 193,175.60 is: 289,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,114.80 : 688,672.20 = 193,175.60 : x
  2. Step 2: Convert to fraction form
    459,114.80/688,672.20 = 193,175.60/x
  3. Step 3: Cross multiply
    459,114.80x = 688,672.20 × 193,175.60
  4. Step 4: Simplify right side
    459,114.80x = 133,034,665,438.32
  5. Step 5: Solve for x
    x = 133,034,665,438.32/459,114.80
  6. Step 6: Final answer
    x = 289,763.40

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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.