Home / 279,260.94-385,384.04-151,936.63

Finding the Fourth Proportional to 279,260.94, 385,384.04 and 151,936.63

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Solution

The fourth proportional to 279,260.94, 385,384.04 and 151,936.63 is: 209,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,260.94 : 385,384.04 = 151,936.63 : x
  2. Step 2: Convert to fraction form
    279,260.94/385,384.04 = 151,936.63/x
  3. Step 3: Cross multiply
    279,260.94x = 385,384.04 × 151,936.63
  4. Step 4: Simplify right side
    279,260.94x = 58,553,952,293.39
  5. Step 5: Solve for x
    x = 58,553,952,293.39/279,260.94
  6. Step 6: Final answer
    x = 209,674.69

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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.