Home / 279,541.35-385,755.48-152,216.64

Finding the Fourth Proportional to 279,541.35, 385,755.48 and 152,216.64

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Solution

The fourth proportional to 279,541.35, 385,755.48 and 152,216.64 is: 210,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,541.35 : 385,755.48 = 152,216.64 : x
  2. Step 2: Convert to fraction form
    279,541.35/385,755.48 = 152,216.64/x
  3. Step 3: Cross multiply
    279,541.35x = 385,755.48 × 152,216.64
  4. Step 4: Simplify right side
    279,541.35x = 58,718,403,027.19
  5. Step 5: Solve for x
    x = 58,718,403,027.19/279,541.35
  6. Step 6: Final answer
    x = 210,052.66

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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.