Home / 460,727.61-691,088.65-119,171.05

Finding the Fourth Proportional to 460,727.61, 691,088.65 and 119,171.05

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Solution

The fourth proportional to 460,727.61, 691,088.65 and 119,171.05 is: 178,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,727.61 : 691,088.65 = 119,171.05 : x
  2. Step 2: Convert to fraction form
    460,727.61/691,088.65 = 119,171.05/x
  3. Step 3: Cross multiply
    460,727.61x = 691,088.65 × 119,171.05
  4. Step 4: Simplify right side
    460,727.61x = 82,357,760,063.58
  5. Step 5: Solve for x
    x = 82,357,760,063.58/460,727.61
  6. Step 6: Final answer
    x = 178,755.86

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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.