Home / 272,123.12-407,797.03-200,482.35

Finding the Fourth Proportional to 272,123.12, 407,797.03 and 200,482.35

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Solution

The fourth proportional to 272,123.12, 407,797.03 and 200,482.35 is: 300,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,123.12 : 407,797.03 = 200,482.35 : x
  2. Step 2: Convert to fraction form
    272,123.12/407,797.03 = 200,482.35/x
  3. Step 3: Cross multiply
    272,123.12x = 407,797.03 × 200,482.35
  4. Step 4: Simplify right side
    272,123.12x = 81,756,105,895.01
  5. Step 5: Solve for x
    x = 81,756,105,895.01/272,123.12
  6. Step 6: Final answer
    x = 300,437.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.