Home / 459,042.30-688,563.45-193,103.10

Finding the Fourth Proportional to 459,042.30, 688,563.45 and 193,103.10

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Solution

The fourth proportional to 459,042.30, 688,563.45 and 193,103.10 is: 289,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,042.30 : 688,563.45 = 193,103.10 : x
  2. Step 2: Convert to fraction form
    459,042.30/688,563.45 = 193,103.10/x
  3. Step 3: Cross multiply
    459,042.30x = 688,563.45 × 193,103.10
  4. Step 4: Simplify right side
    459,042.30x = 132,963,736,741.70
  5. Step 5: Solve for x
    x = 132,963,736,741.70/459,042.30
  6. Step 6: Final answer
    x = 289,654.65

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Similar ratio
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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.