Home / 335,795.40-503,693.10-99,137.70

Finding the Fourth Proportional to 335,795.40, 503,693.10 and 99,137.70

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Solution

The fourth proportional to 335,795.40, 503,693.10 and 99,137.70 is: 148,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,795.40 : 503,693.10 = 99,137.70 : x
  2. Step 2: Convert to fraction form
    335,795.40/503,693.10 = 99,137.70/x
  3. Step 3: Cross multiply
    335,795.40x = 503,693.10 × 99,137.70
  4. Step 4: Simplify right side
    335,795.40x = 49,934,975,439.87
  5. Step 5: Solve for x
    x = 49,934,975,439.87/335,795.40
  6. Step 6: Final answer
    x = 148,706.55

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Similar ratio
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1.5x scale

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.