Home / 376,923.04-520,155.48-207,168.10

Finding the Fourth Proportional to 376,923.04, 520,155.48 and 207,168.10

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Solution

The fourth proportional to 376,923.04, 520,155.48 and 207,168.10 is: 285,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,923.04 : 520,155.48 = 207,168.10 : x
  2. Step 2: Convert to fraction form
    376,923.04/520,155.48 = 207,168.10/x
  3. Step 3: Cross multiply
    376,923.04x = 520,155.48 × 207,168.10
  4. Step 4: Simplify right side
    376,923.04x = 107,759,622,496.19
  5. Step 5: Solve for x
    x = 107,759,622,496.19/376,923.04
  6. Step 6: Final answer
    x = 285,892.90

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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.