Home / 279,174.87-385,262.46-151,851.24

Finding the Fourth Proportional to 279,174.87, 385,262.46 and 151,851.24

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Solution

The fourth proportional to 279,174.87, 385,262.46 and 151,851.24 is: 209,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,174.87 : 385,262.46 = 151,851.24 : x
  2. Step 2: Convert to fraction form
    279,174.87/385,262.46 = 151,851.24/x
  3. Step 3: Cross multiply
    279,174.87x = 385,262.46 × 151,851.24
  4. Step 4: Simplify right side
    279,174.87x = 58,502,582,276.45
  5. Step 5: Solve for x
    x = 58,502,582,276.45/279,174.87
  6. Step 6: Final answer
    x = 209,555.33

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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.