Home / 286,517.18-429,185.22-167,828.69

Finding the Fourth Proportional to 286,517.18, 429,185.22 and 167,828.69

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Solution

The fourth proportional to 286,517.18, 429,185.22 and 167,828.69 is: 251,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,517.18 : 429,185.22 = 167,828.69 : x
  2. Step 2: Convert to fraction form
    286,517.18/429,185.22 = 167,828.69/x
  3. Step 3: Cross multiply
    286,517.18x = 429,185.22 × 167,828.69
  4. Step 4: Simplify right side
    286,517.18x = 72,029,593,683.57
  5. Step 5: Solve for x
    x = 72,029,593,683.57/286,517.18
  6. Step 6: Final answer
    x = 251,397.12

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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.