Home / 316,015.15-474,069.99-116,320.33

Finding the Fourth Proportional to 316,015.15, 474,069.99 and 116,320.33

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Solution

The fourth proportional to 316,015.15, 474,069.99 and 116,320.33 is: 174,497.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,015.15 : 474,069.99 = 116,320.33 : x
  2. Step 2: Convert to fraction form
    316,015.15/474,069.99 = 116,320.33/x
  3. Step 3: Cross multiply
    316,015.15x = 474,069.99 × 116,320.33
  4. Step 4: Simplify right side
    316,015.15x = 55,143,976,494.72
  5. Step 5: Solve for x
    x = 55,143,976,494.72/316,015.15
  6. Step 6: Final answer
    x = 174,497.89

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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.