Home / 279,008.38-385,034.07-151,684.21

Finding the Fourth Proportional to 279,008.38, 385,034.07 and 151,684.21

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Solution

The fourth proportional to 279,008.38, 385,034.07 and 151,684.21 is: 209,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,008.38 : 385,034.07 = 151,684.21 : x
  2. Step 2: Convert to fraction form
    279,008.38/385,034.07 = 151,684.21/x
  3. Step 3: Cross multiply
    279,008.38x = 385,034.07 × 151,684.21
  4. Step 4: Simplify right side
    279,008.38x = 58,403,588,731.03
  5. Step 5: Solve for x
    x = 58,403,588,731.03/279,008.38
  6. Step 6: Final answer
    x = 209,325.57

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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.