Home / 212,237.49-318,279.20-116,246.01

Finding the Fourth Proportional to 212,237.49, 318,279.20 and 116,246.01

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Solution

The fourth proportional to 212,237.49, 318,279.20 and 116,246.01 is: 174,326.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,237.49 : 318,279.20 = 116,246.01 : x
  2. Step 2: Convert to fraction form
    212,237.49/318,279.20 = 116,246.01/x
  3. Step 3: Cross multiply
    212,237.49x = 318,279.20 × 116,246.01
  4. Step 4: Simplify right side
    212,237.49x = 36,998,686,484.76
  5. Step 5: Solve for x
    x = 36,998,686,484.76/212,237.49
  6. Step 6: Final answer
    x = 174,326.82

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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.