Home / 376,936.98-520,177.05-207,176.10

Finding the Fourth Proportional to 376,936.98, 520,177.05 and 207,176.10

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Solution

The fourth proportional to 376,936.98, 520,177.05 and 207,176.10 is: 285,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,936.98 : 520,177.05 = 207,176.10 : x
  2. Step 2: Convert to fraction form
    376,936.98/520,177.05 = 207,176.10/x
  3. Step 3: Cross multiply
    376,936.98x = 520,177.05 × 207,176.10
  4. Step 4: Simplify right side
    376,936.98x = 107,768,252,528.51
  5. Step 5: Solve for x
    x = 107,768,252,528.51/376,936.98
  6. Step 6: Final answer
    x = 285,905.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.