Home / 316,480.23-474,705.77-116,787.69

Finding the Fourth Proportional to 316,480.23, 474,705.77 and 116,787.69

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Solution

The fourth proportional to 316,480.23, 474,705.77 and 116,787.69 is: 175,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,480.23 : 474,705.77 = 116,787.69 : x
  2. Step 2: Convert to fraction form
    316,480.23/474,705.77 = 116,787.69/x
  3. Step 3: Cross multiply
    316,480.23x = 474,705.77 × 116,787.69
  4. Step 4: Simplify right side
    316,480.23x = 55,439,789,724.03
  5. Step 5: Solve for x
    x = 55,439,789,724.03/316,480.23
  6. Step 6: Final answer
    x = 175,176.15

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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.