Home / 293,605.21-440,283.88-91,176.49

Finding the Fourth Proportional to 293,605.21, 440,283.88 and 91,176.49

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Solution

The fourth proportional to 293,605.21, 440,283.88 and 91,176.49 is: 136,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,605.21 : 440,283.88 = 91,176.49 : x
  2. Step 2: Convert to fraction form
    293,605.21/440,283.88 = 91,176.49/x
  3. Step 3: Cross multiply
    293,605.21x = 440,283.88 × 91,176.49
  4. Step 4: Simplify right side
    293,605.21x = 40,143,538,781.98
  5. Step 5: Solve for x
    x = 40,143,538,781.98/293,605.21
  6. Step 6: Final answer
    x = 136,726.25

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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.