Home / 316,299.12-474,027.48-116,434.86

Finding the Fourth Proportional to 316,299.12, 474,027.48 and 116,434.86

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Solution

The fourth proportional to 316,299.12, 474,027.48 and 116,434.86 is: 174,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,299.12 : 474,027.48 = 116,434.86 : x
  2. Step 2: Convert to fraction form
    316,299.12/474,027.48 = 116,434.86/x
  3. Step 3: Cross multiply
    316,299.12x = 474,027.48 × 116,434.86
  4. Step 4: Simplify right side
    316,299.12x = 55,193,323,269.95
  5. Step 5: Solve for x
    x = 55,193,323,269.95/316,299.12
  6. Step 6: Final answer
    x = 174,497.24

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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.