Home / 459,192.53-688,871.94-189,170.62

Finding the Fourth Proportional to 459,192.53, 688,871.94 and 189,170.62

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Solution

The fourth proportional to 459,192.53, 688,871.94 and 189,170.62 is: 283,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,192.53 : 688,871.94 = 189,170.62 : x
  2. Step 2: Convert to fraction form
    459,192.53/688,871.94 = 189,170.62/x
  3. Step 3: Cross multiply
    459,192.53x = 688,871.94 × 189,170.62
  4. Step 4: Simplify right side
    459,192.53x = 130,314,331,990.40
  5. Step 5: Solve for x
    x = 130,314,331,990.40/459,192.53
  6. Step 6: Final answer
    x = 283,790.18

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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.