Home / 279,192.06-385,285.95-151,867.62

Finding the Fourth Proportional to 279,192.06, 385,285.95 and 151,867.62

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Solution

The fourth proportional to 279,192.06, 385,285.95 and 151,867.62 is: 209,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,192.06 : 385,285.95 = 151,867.62 : x
  2. Step 2: Convert to fraction form
    279,192.06/385,285.95 = 151,867.62/x
  3. Step 3: Cross multiply
    279,192.06x = 385,285.95 × 151,867.62
  4. Step 4: Simplify right side
    279,192.06x = 58,512,460,245.94
  5. Step 5: Solve for x
    x = 58,512,460,245.94/279,192.06
  6. Step 6: Final answer
    x = 209,577.81

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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.