Home / 279,563.04-385,797.60-152,235.90

Finding the Fourth Proportional to 279,563.04, 385,797.60 and 152,235.90

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Solution

The fourth proportional to 279,563.04, 385,797.60 and 152,235.90 is: 210,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,563.04 : 385,797.60 = 152,235.90 : x
  2. Step 2: Convert to fraction form
    279,563.04/385,797.60 = 152,235.90/x
  3. Step 3: Cross multiply
    279,563.04x = 385,797.60 × 152,235.90
  4. Step 4: Simplify right side
    279,563.04x = 58,732,244,853.84
  5. Step 5: Solve for x
    x = 58,732,244,853.84/279,563.04
  6. Step 6: Final answer
    x = 210,085.87

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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.