Home / 277,463.12-382,899-150,138.68

Finding the Fourth Proportional to 277,463.12, 382,899 and 150,138.68

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Solution

The fourth proportional to 277,463.12, 382,899 and 150,138.68 is: 207,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,463.12 : 382,899 = 150,138.68 : x
  2. Step 2: Convert to fraction form
    277,463.12/382,899 = 150,138.68/x
  3. Step 3: Cross multiply
    277,463.12x = 382,899 × 150,138.68
  4. Step 4: Simplify right side
    277,463.12x = 57,487,950,433.32
  5. Step 5: Solve for x
    x = 57,487,950,433.32/277,463.12
  6. Step 6: Final answer
    x = 207,191.32

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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.