Home / 167,827.84-251,565.44-84,547.20

Finding the Fourth Proportional to 167,827.84, 251,565.44 and 84,547.20

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Solution

The fourth proportional to 167,827.84, 251,565.44 and 84,547.20 is: 126,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,827.84 : 251,565.44 = 84,547.20 : x
  2. Step 2: Convert to fraction form
    167,827.84/251,565.44 = 84,547.20/x
  3. Step 3: Cross multiply
    167,827.84x = 251,565.44 × 84,547.20
  4. Step 4: Simplify right side
    167,827.84x = 21,269,153,568.77
  5. Step 5: Solve for x
    x = 21,269,153,568.77/167,827.84
  6. Step 6: Final answer
    x = 126,731.97

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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.